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bur

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bur


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Bur  \Bur\,  Burr  \Burr\,  n.  [OE.  burre  burdock;  cf  Dan.  borre, 
  OSw.  borra  burdock,  thistle;  perh.  akin  to  E.  bristle  (burr- 
  for  burz-),  or  perh.  to  F.  bourre  hair,  wool,  stuff;  also 
  according  to  Cotgrave  ``the  downe,  or  hairie  coat,  wherewith 
  divers  herbes,  fruits,  and  flowers,  are  covered,''  fr  L. 
  burrae  trifles,  LL  reburrus  rough.] 
  1.  (Bot.)  Any  rough  or  prickly  envelope  of  the  seeds  of 
  plants,  whether  a  pericarp,  a  persistent  calyx,  or  an 
  involucre,  as  of  the  chestnut  and  burdock.  Also  any  weed 
  which  bears  burs. 
 
  Amongst  rude  burs  and  thistles.  --Milton. 
 
  Bur  and  brake  and  brier.  --Tennyson. 
 
  2.  The  thin  ridge  left  by  a  tool  in  cutting  or  shaping  metal. 
  See  {Burr},  n.,  2. 
 
  3.  A  ring  of  iron  on  a  lance  or  spear.  See  {Burr},  n.,  4. 
 
  4.  The  lobe  of  the  ear.  See  {Burr},  n.,  5. 
 
  5.  The  sweetbread. 
 
  6.  A  clinker;  a  partially  vitrified  brick. 
 
  7.  (Mech.) 
  a  A  small  circular  saw. 
  b  A  triangular  chisel. 
  c  A  drill  with  a  serrated  head  larger  than  the  shank;  -- 
  used  by  dentists. 
 
  8.  [Cf.  Gael.  borr,  borra  a  knob,  bunch.]  (Zo["o]l.)  The 
  round  knob  of  an  antler  next  to  a  deer's  head.  [Commonly 
  written  {burr}.] 
 
  {Bur  oak}  (Bot.),  a  useful  and  ornamental  species  of  oak 
  ({Quercus  macrocarpa})  with  ovoid  acorns  inclosed  in  deep 
  cups  imbricated  with  pointed  scales.  It  grows  in  the 
  Middle  and  Western  United  States,  and  its  wood  is  tough, 
  close-grained,  and  durable. 
 
  {Bur  reed}  (Bot.),  a  plant  of  the  genus  {Sparganium},  having 
  long  ribbonlike  leaves. 
 
  From  WordNet  r  1.6  [wn]: 
 
  bur 
  n  1:  seed  vessel  having  hooks  or  prickles  [syn:  {burr}] 
  2:  small  bit  used  in  dentistry  or  surgery  [syn:  {burr}] 
  v  :  remove  the  burrs  from  [syn:  {burr}] 




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