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  5  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Tree  \Tree\  (tr[=e]),  n.  [OE.  tree,  tre,  treo,  AS  tre['o], 
  tre['o]w,  tree,  wood;  akin  to  OFries  tr[=e],  OS  treo,  trio, 
  Icel.  tr[=e],  Dan.  tr[ae],  Sw  tr["a],  tr["a]d,  Goth.  triu, 
  Russ.  drevo,  W.  derw  an  oak,  Ir  darag,  darog,  Gr  dry^s  a 
  tree,  oak,  do`ry  a  beam,  spear  shaft,  spear,  Skr.  dru  tree, 
  wood,  d[=a]ru  wood.  [root]63,  241.  Cf  {Dryad},  {Germander}, 
  {Tar},  n.,  {Trough}.] 
  1.  (Bot.)  Any  perennial  woody  plant  of  considerable  size 
  (usually  over  twenty  feet  high)  and  growing  with  a  single 
  trunk. 
 
  Note:  The  kind  of  tree  referred  to  in  any  particular  case, 
  is  often  indicated  by  a  modifying  word  as  forest  tree, 
  fruit  tree,  palm  tree,  apple  tree,  pear  tree,  etc 
 
  2.  Something  constructed  in  the  form  of  or  considered  as 
  resembling,  a  tree,  consisting  of  a  stem,  or  stock,  and 
  branches;  as  a  genealogical  tree. 
 
  3.  A  piece  of  timber,  or  something  commonly  made  of  timber; 
  --  used  in  composition,  as  in  axletree,  boottree, 
  chesstree,  crosstree,  whiffletree,  and  the  like 
 
  4.  A  cross  or  gallows;  as  Tyburn  tree. 
 
  [Jesus]  whom  they  slew  and  hanged  on  a  tree.  --Acts 
  x.  39. 
 
  5.  Wood;  timber.  [Obs.]  --Chaucer. 
 
  In  a  great  house  ben  not  only  vessels  of  gold  and  of 
  silver  but  also  of  tree  and  of  earth.  --Wyclif  (2 
  Tim.  ii  20). 
 
  6.  (Chem.)  A  mass  of  crystals,  aggregated  in  arborescent 
  forms,  obtained  by  precipitation  of  a  metal  from  solution. 
  See  {Lead  tree},  under  {Lead}. 
 
  {Tree  bear}  (Zo["o]l.),  the  raccoon.  [Local,  U.  S.] 
 
  {Tree  beetle}  (Zo["o]l.)  any  one  of  numerous  species  of 
  beetles  which  feed  on  the  leaves  of  trees  and  shrubs,  as 
  the  May  beetles,  the  rose  beetle,  the  rose  chafer,  and  the 
  goldsmith  beetle. 
 
  {Tree  bug}  (Zo["o]l.),  any  one  of  numerous  species  of 
  hemipterous  insects  which  live  upon  and  suck  the  sap  of 
  trees  and  shrubs.  They  belong  to  {Arma},  {Pentatoma}, 
  {Rhaphigaster},  and  allied  genera. 
 
  {Tree  cat}  (Zool.),  the  common  paradoxure  ({Paradoxurus 
  musang}). 
 
  {Tree  clover}  (Bot.),  a  tall  kind  of  melilot  ({Melilotus 
  alba}).  See  {Melilot}. 
 
  {Tree  crab}  (Zo["o]l.),  the  purse  crab.  See  under  {Purse}. 
 
  {Tree  creeper}  (Zo["o]l.),  any  one  of  numerous  species  of 
  arboreal  creepers  belonging  to  {Certhia},  {Climacteris}, 
  and  allied  genera.  See  {Creeper},  3. 
 
  {Tree  cricket}  (Zo["o]l.),  a  nearly  white  arboreal  American 
  cricket  ({Ecanthus  niv[oe]us})  which  is  noted  for  its  loud 
  stridulation;  --  called  also  {white  cricket}. 
 
  {Tree  crow}  (Zo["o]l.),  any  one  of  several  species  of  Old 
  World  crows  belonging  to  {Crypsirhina}  and  allied  genera, 
  intermediate  between  the  true  crows  and  the  jays.  The  tail 
  is  long,  and  the  bill  is  curved  and  without  a  tooth. 
 
  {Tree  dove}  (Zo["o]l.)  any  one  of  several  species  of  East 
  Indian  and  Asiatic  doves  belonging  to  {Macropygia}  and 
  allied  genera.  They  have  long  and  broad  tails,  are  chiefly 
  arboreal  in  their  habits,  and  feed  mainly  on  fruit. 
 
  {Tree  duck}  (Zo["o]l.),  any  one  of  several  species  of  ducks 
  belonging  to  {Dendrocygna}  and  allied  genera.  These  ducks 
  have  a  long  and  slender  neck  and  a  long  hind  toe.  They  are 
  arboreal  in  their  habits,  and  are  found  in  the  tropical 
  parts  of  America,  Africa,  Asia,  and  Australia. 
 
  {Tree  fern}  (Bot.),  an  arborescent  fern  having  a  straight 
  trunk,  sometimes  twenty  or  twenty-five  feet  high,  or  even 
  higher,  and  bearing  a  cluster  of  fronds  at  the  top  Most 
  of  the  existing  species  are  tropical. 
 
  {Tree  fish}  (Zo["o]l.),  a  California  market  fish 
  ({Sebastichthys  serriceps}). 
 
  {Tree  frog}.  (Zo["o]l.) 
  a  Same  as  {Tree  toad}. 
  b  Any  one  of  numerous  species  of  Old  World  frogs 
  belonging  to  {Chiromantis},  {Rhacophorus},  and  allied 
  genera  of  the  family  {Ranid[ae]}.  Their  toes  are 
  furnished  with  suckers  for  adhesion.  The  flying  frog 
  (see  under  {Flying})  is  an  example. 
 
  {Tree  goose}  (Zo["o]l.),  the  bernicle  goose. 
 
  {Tree  hopper}  (Zo["o]l.),  any  one  of  numerous  species  of 
  small  leaping  hemipterous  insects  which  live  chiefly  on 
  the  branches  and  twigs  of  trees,  and  injure  them  by 
  sucking  the  sap.  Many  of  them  are  very  odd  in  shape,  the 
  prothorax  being  often  prolonged  upward  or  forward  in  the 
  form  of  a  spine  or  crest. 
 
  {Tree  jobber}  (Zo["o]l.),  a  woodpecker.  [Obs.] 
 
  {Tree  kangaroo}.  (Zo["o]l.)  See  {Kangaroo}. 
 
  {Tree  lark}  (Zo["o]l.),  the  tree  pipit.  [Prov.  Eng.] 
 
  {Tree  lizard}  (Zo["o]l.),  any  one  of  a  group  of  Old  World 
  arboreal  lizards  ({Dendrosauria})  comprising  the 
  chameleons. 
 
  {Tree  lobster}.  (Zo["o]l.)  Same  as  {Tree  crab},  above. 
 
  {Tree  louse}  (Zo["o]l.),  any  aphid;  a  plant  louse. 
 
  {Tree  moss}.  (Bot.) 
  a  Any  moss  or  lichen  growing  on  trees. 
  b  Any  species  of  moss  in  the  form  of  a  miniature  tree. 
 
 
  {Tree  mouse}  (Zo["o]l.),  any  one  of  several  species  of 
  African  mice  of  the  subfamily  {Dendromyin[ae]}.  They  have 
  long  claws  and  habitually  live  in  trees. 
 
  {Tree  nymph},  a  wood  nymph.  See  {Dryad}. 
 
  {Tree  of  a  saddle},  a  saddle  frame. 
 
  {Tree  of  heaven}  (Bot.),  an  ornamental  tree  ({Ailantus 
  glandulosus})  having  long,  handsome  pinnate  leaves,  and 
  greenish  flowers  of  a  disagreeable  odor. 
 
  {Tree  of  life}  (Bot.),  a  tree  of  the  genus  Thuja;  arbor 
  vit[ae]. 
 
  {Tree  onion}  (Bot.),  a  species  of  garlic  ({Allium 
  proliferum})  which  produces  bulbs  in  place  of  flowers,  or 
  among  its  flowers. 
 
  {Tree  oyster}  (Zo["o]l.),  a  small  American  oyster  ({Ostrea 
  folium})  which  adheres  to  the  roots  of  the  mangrove  tree; 
  --  called  also  {raccoon  oyster}. 
 
  {Tree  pie}  (Zo["o]l.),  any  species  of  Asiatic  birds  of  the 
  genus  {Dendrocitta}.  The  tree  pies  are  allied  to  the 
  magpie. 
 
  {Tree  pigeon}  (Zo["o]l.),  any  one  of  numerous  species  of 
  longwinged  arboreal  pigeons  native  of  Asia,  Africa,  and 
  Australia,  and  belonging  to  {Megaloprepia},  {Carpophaga}, 
  and  allied  genera. 
 
  {Tree  pipit}.  (Zo["o]l.)  See  under  {Pipit}. 
 
  {Tree  porcupine}  (Zo["o]l.),  any  one  of  several  species  of 
  Central  and  South  American  arboreal  porcupines  belonging 
  to  the  genera  {Ch[ae]tomys}  and  {Sphingurus}.  They  have  an 
  elongated  and  somewhat  prehensile  tail,  only  four  toes  on 
  the  hind  feet,  and  a  body  covered  with  short  spines  mixed 
  with  bristles.  One  South  American  species  ({S.  villosus}) 
  is  called  also  {couiy};  another  ({S.  prehensilis})  is 
  called  also  {c[oe]ndou}. 
 
  {Tree  rat}  (Zo["o]l.),  any  one  of  several  species  of  large 
  ratlike  West  Indian  rodents  belonging  to  the  genera 
  {Capromys}  and  {Plagiodon}.  They  are  allied  to  the 
  porcupines. 
 
  {Tree  serpent}  (Zo["o]l.),  a  tree  snake. 
 
  {Tree  shrike}  (Zo["o]l.),  a  bush  shrike. 
 
  {Tree  snake}  (Zo["o]l.),  any  one  of  numerous  species  of 
  snakes  of  the  genus  {Dendrophis}.  They  live  chiefly  among 
  the  branches  of  trees,  and  are  not  venomous. 
 
  {Tree  sorrel}  (Bot.),  a  kind  of  sorrel  ({Rumex  Lunaria}) 
  which  attains  the  stature  of  a  small  tree,  and  bears 
  greenish  flowers.  It  is  found  in  the  Canary  Islands  and 
  Teneriffe. 
 
  {Tree  sparrow}  (Zo["o]l.)  any  one  of  several  species  of  small 
  arboreal  sparrows,  especially  the  American  tree  sparrow 
  ({Spizella  monticola}),  and  the  common  European  species 
  ({Passer  montanus}). 
 
  {Tree  swallow}  (Zo["o]l.),  any  one  of  several  species  of 
  swallows  of  the  genus  {Hylochelidon}  which  lay  their  eggs 
  in  holes  in  dead  trees.  They  inhabit  Australia  and 
  adjacent  regions.  Called  also  {martin}  in  Australia. 
 
  {Tree  swift}  (Zo["o]l.),  any  one  of  several  species  of  swifts 
  of  the  genus  {Dendrochelidon}  which  inhabit  the  East 
  Indies  and  Southern  Asia. 
 
  {Tree  tiger}  (Zo["o]l.),  a  leopard. 
 
  {Tree  toad}  (Zo["o]l.),  any  one  of  numerous  species  of 
  amphibians  belonging  to  {Hyla}  and  allied  genera  of  the 
  family  {Hylid[ae]}.  They  are  related  to  the  common  frogs 
  and  toads,  but  have  the  tips  of  the  toes  expanded  into 
  suckers  by  means  of  which  they  cling  to  the  bark  and 
  leaves  of  trees.  Only  one  species  ({Hyla  arborea})  is 
  found  in  Europe,  but  numerous  species  occur  in  America  and 
  Australia.  The  common  tree  toad  of  the  Northern  United 
  States  ({H.  versicolor})  is  noted  for  the  facility  with 
  which  it  changes  its  colors.  Called  also  {tree  frog}.  See 
  also  {Piping  frog},  under  {Piping},  and  {Cricket  frog}, 
  under  {Cricket}. 
 
  {Tree  warbler}  (Zo["o]l.),  any  one  of  several  species  of 
  arboreal  warblers  belonging  to  {Phylloscopus}  and  allied 
  genera. 
 
  {Tree  wool}  (Bot.),  a  fine  fiber  obtained  from  the  leaves  of 
  pine  trees. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Tree  \Tree\,  v.  t.  [imp.  &  p.  p.  {Treed};  p.  pr  &  vb  n. 
  {Treeing}.] 
  1.  To  drive  to  a  tree;  to  cause  to  ascend  a  tree;  as  a  dog 
  trees  a  squirrel.  --J.  Burroughs 
 
  2.  To  place  upon  a  tree;  to  fit  with  a  tree;  to  stretch  upon 
  a  tree;  as  to  tree  a  boot.  See  {Tree},  n.,  3. 
 
  From  WordNet  r  1.6  [wn]: 
 
  tree 
  n  1:  a  tall  perennial  woody  plant  having  a  main  trunk  and 
  branches  forming  a  distinct  elevated  crown;  includes 
  both  gymnosperms  and  angiosperms 
  2:  a  figure  that  branches  from  a  single  root;  "genealogical 
  tree"  [syn:  {tree  diagram}] 
  v  :  chase  a  bear  up  a  tree  with  dogs  and  kill  it 
 
  From  The  Free  On-line  Dictionary  of  Computing  (13  Mar  01)  [foldoc]: 
 
  tree 
 
    A  {directed  acyclic  graph};  i.e.  a  {graph} 
  wherein  there  is  only  one  route  between  any  pair  of  {nodes}, 
  and  there  is  a  notion  of  "toward  top  of  the  tree"  (i.e.  the 
  {root  node}),  and  its  opposite  direction,  toward  the  {leaves}. 
  A  tree  with  n  nodes  has  n-1  edges. 
 
  Although  maybe  not  part  of  the  widest  definition  of  a  tree,  a 
  common  constraint  is  that  no  node  can  have  more  than  one 
  parent.  Moreover,  for  some  applications,  it  is  necessary  to 
  consider  a  node's  {daughter}  nodes  to  be  an  ordered  {list}, 
  instead  of  merely  a  {set}. 
 
  As  a  data  structure  in  computer  programs,  trees  are  used  in 
  everything  from  {B-trees}  in  {databases}  and  {file  systems},  to 
  {game  trees}  in  {game  theory},  to  {syntax  trees}  in  a  human  or 
  computer  {languages}. 
 
  (1998-11-12) 
 
 
 
  From  THE  DEVIL'S  DICTIONARY  ((C)1911  Released  April  15  1993)  [devils]: 
 
  TREE,  n.  A  tall  vegetable  intended  by  nature  to  serve  as  a  penal 
  apparatus,  though  through  a  miscarriage  of  justice  most  trees  bear 
  only  a  negligible  fruit,  or  none  at  all  When  naturally  fruited,  the 
  tree  is  a  beneficient  agency  of  civilization  and  an  important  factor 
  in  public  morals.  In  the  stern  West  and  the  sensitive  South  its  fruit 
  (white  and  black  respectively)  though  not  eaten,  is  agreeable  to  the 
  public  taste  and  though  not  exported,  profitable  to  the  general 
  welfare.  That  the  legitimate  relation  of  the  tree  to  justice  was  no 
  discovery  of  Judge  Lynch  (who,  indeed,  conceded  it  no  primacy  over  the 
  lamp-post  and  the  bridge-girder)  is  made  plain  by  the  following 
  passage  from  Morryster  who  antedated  him  by  two  centuries: 
 
  While  in  yt  londe  I  was  carried  to  see  ye  Ghogo  tree,  whereof 
  I  had  hearde  moch  talk;  but  sayynge  yt  I  saw  naught  remarkabyll  in 
  it  ye  hed  manne  of  ye  villayge  where  it  grewe  made  answer  as 
  followeth: 
  "Ye  tree  is  not  nowe  in  fruite,  but  in  his  seasonne  you  shall 
  see  dependynge  fr  his  braunches  all  soch  as  have  affroynted  ye 
  King  his  Majesty." 
  And  I  was  furder  tolde  yt  ye  worde  Ghogo"  sygnifyeth  in  yr 
  tong  ye  same  as  rapscal"  in  our  owne. 
  _Trauvells  in  ye  Easte_ 
 
 

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