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trepanmore about trepan

trepan


  5  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Trepan  \Tre*pan"\,  v.  t.  &  i.  [imp.  &  p.  p.  {Trepanned};  p.  pr 
  &  vb  n.  {Trepanning}.]  [Cf.  F.  tr['e]paner.  See  {Trepan}  a 
  saw.]  (Surg.) 
  To  perforate  (the  skull)  with  a  trepan,  so  as  to  remove  a 
  portion  of  the  bone,  and  thus  relieve  the  brain  from  pressure 
  or  irritation;  to  perform  an  operation  with  the  trepan. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Trepan  \Tre*pan"\,  n.  [See  {Trapan}.] 
  1.  A  snare;  a  trapan. 
 
  Snares  and  trepans  that  common  life  lays  in  its  way 
  --South. 
 
  2.  a  deceiver;  a  cheat. 
 
  He  had  been  from  the  beginning  a  spy  and  a  trepan. 
  --Macaulay. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Trepan  \Tre*pan"\,  n.  [F.  tr['e]pan  (cf.  Sp  tr['e]pano,  It 
  trepano,  trapano),  LL  trepanum  fr  Gr  ?  a  borer,  auger, 
  trepan,  fr  ?  to  bore,  ?  a  hole.  Cf  {Trephine}.] 
  1.  (Surg.)  A  crown-saw  or  cylindrical  saw  for  perforating  the 
  skull,  turned,  when  used  like  a  bit  or  gimlet.  See 
  {Trephine}. 
 
  2.  (Mining)  A  kind  of  broad  chisel  for  sinking  shafts. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Trepan  \Tre*pan"\,  v.  t. 
  To  insnare;  to  trap;  to  trapan. 
 
  Guards  even  of  a  dozen  men  were  silently  trepanned  from 
  their  stations.  --De  Quincey. 
 
  From  WordNet  r  1.6  [wn]: 
 
  trepan 
  n  1:  a  surgical  instrument  used  to  remove  sections  of  bone  from 
  the  skull  [syn:  {trephine}] 
  2:  a  tool  for  cutting  circular  holes  around  a  center 
  v  :  cut  a  hole  with  a  trepan;  in  surgery 




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