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acorn

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acorn

 

  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Acorn  \A"corn\,  n.  [AS.  [ae]cern,  fr  [ae]cer  field,  acre;  akin 
  to  D.  aker  acorn,  Ger.  ecker,  Icel.  akarn  Dan.  agern  Goth. 
  akran  fruit,  akrs  field;  --  orig.  fruit  of  the  field.  See 
  {Acre}.] 
  1.  The  fruit  of  the  oak,  being  an  oval  nut  growing  in  a  woody 
  cup  or  cupule. 
 
  2.  (Naut.)  A  cone-shaped  piece  of  wood  on  the  point  of  the 
  spindle  above  the  vane,  on  the  mast-head. 
 
  3.  (Zo["o]l.)  See  {Acorn-shell}. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Oak  \Oak\  ([=o]k),  n.  [OE.  oke,  ok  ak  AS  [=a]c;  akin  to  D. 
  eik,  G.  eiche,  OHG.  eih,  Icel.  eik,  Sw  ek  Dan.  eeg.] 
  1.  (Bot.)  Any  tree  or  shrub  of  the  genus  {Quercus}.  The  oaks 
  have  alternate  leaves,  often  variously  lobed,  and 
  staminate  flowers  in  catkins.  The  fruit  is  a  smooth  nut, 
  called  an  {acorn},  which  is  more  or  less  inclosed  in  a 
  scaly  involucre  called  the  cup  or  cupule.  There  are  now 
  recognized  about  three  hundred  species,  of  which  nearly 
  fifty  occur  in  the  United  States,  the  rest  in  Europe, 
  Asia,  and  the  other  parts  of  North  America,  a  very  few 
  barely  reaching  the  northern  parts  of  South  America  and 
  Africa.  Many  of  the  oaks  form  forest  trees  of  grand 
  proportions  and  live  many  centuries.  The  wood  is  usually 
  hard  and  tough,  and  provided  with  conspicuous  medullary 
  rays,  forming  the  silver  grain. 
 
  2.  The  strong  wood  or  timber  of  the  oak. 
 
  Note:  Among  the  true  oaks  in  America  are: 
 
  {Barren  oak},  or 
 
  {Black-jack},  {Q.  nigra}. 
 
  {Basket  oak},  {Q.  Michauxii}. 
 
  {Black  oak},  {Q.  tinctoria};  --  called  also  {yellow}  or 
  {quercitron  oak}. 
 
  {Bur  oak}  (see  under  {Bur}.),  {Q.  macrocarpa};  --  called  also 
  {over-cup}  or  {mossy-cup  oak}. 
 
  {Chestnut  oak},  {Q.  Prinus}  and  {Q.  densiflora}. 
 
  {Chinquapin  oak}  (see  under  {Chinquapin}),  {Q.  prinoides}. 
 
  {Coast  live  oak},  {Q.  agrifolia},  of  California;  --  also 
  called  {enceno}. 
 
  {Live  oak}  (see  under  {Live}),  {Q.  virens},  the  best  of  all 
  for  shipbuilding;  also  {Q.  Chrysolepis},  of  California. 
 
 
  {Pin  oak}.  Same  as  {Swamp  oak}. 
 
  {Post  oak},  {Q.  obtusifolia}. 
 
  {Red  oak},  {Q.  rubra}. 
 
  {Scarlet  oak},  {Q.  coccinea}. 
 
  {Scrub  oak},  {Q.  ilicifolia},  {Q.  undulata},  etc 
 
  {Shingle  oak},  {Q.  imbricaria}. 
 
  {Spanish  oak},  {Q.  falcata}. 
 
  {Swamp  Spanish  oak},  or 
 
  {Pin  oak},  {Q.  palustris}. 
 
  {Swamp  white  oak},  {Q.  bicolor}. 
 
  {Water  oak},  {Q.  aguatica}. 
 
  {Water  white  oak},  {Q.  lyrata}. 
 
  {Willow  oak},  {Q.  Phellos}.  Among  the  true  oaks  in  Europe 
  are: 
 
  {Bitter  oak},  or 
 
  {Turkey  oak},  {Q.  Cerris}  (see  {Cerris}). 
 
  {Cork  oak},  {Q.  Suber}. 
 
  {English  white  oak},  {Q.  Robur}. 
 
  {Evergreen  oak}, 
 
  {Holly  oak},  or 
 
  {Holm  oak},  {Q.  Ilex}. 
 
  {Kermes  oak},  {Q.  coccifera}. 
 
  {Nutgall  oak},  {Q.  infectoria}. 
 
  Note:  Among  plants  called  oak,  but  not  of  the  genus 
  {Quercus},  are: 
 
  {African  oak},  a  valuable  timber  tree  ({Oldfieldia 
  Africana}). 
 
  {Australian,  or  She},  {oak},  any  tree  of  the  genus 
  {Casuarina}  (see  {Casuarina}). 
 
  {Indian  oak},  the  teak  tree  (see  {Teak}). 
 
  {Jerusalem  oak}.  See  under  {Jerusalem}. 
 
  {New  Zealand  oak},  a  sapindaceous  tree  ({Alectryon 
  excelsum}). 
 
  {Poison  oak},  the  poison  ivy.  See  under  {Poison}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  acorn 
  n  :  fruit  of  the  oak  tree:  a  smooth  thin-walled  nut  in  a  woody 
  cup-shaped  base




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