Meaning of aftershaft

af•ter•shaft

Pronunciation: (af'tur-shaft", äf'tur-shäft"), [key]
— n. Ornith.
  1. a supplementary feather, usually small, arising from the underside of the base of the shafts of certain feathers in many birds.
  2. the shaft of such a feather.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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