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aftershaft

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aftershaft


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Aftershaft  \Aft"er*shaft`\,  n.  (Zo["o]l.) 
  The  hypoptilum. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Hypoptilum  \Hy*pop"ti*lum\,  n.;  pl  L.  {Hypoptila},  E. 
  {Hypoptilums}.  [NL.,  fr  Gr  "ypo`  beneath  +  ?  down.] 
  (Zo["o]l.) 
  An  accessory  plume  arising  from  the  posterior  side  of  the 
  stem  of  the  contour  feathers  of  many  birds;  --  called  also 
  {aftershaft}.  See  Illust.  of  {Feather}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  aftershaft 
  n  :  a  supplementary  feather  (usually  small)  on  the  underside  of 
  the  base  of  the  shaft  of  some  feathers  in  some  birds 




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