pinnulate

Variant of pinnule

noun

  1. any of the smallest divisions of a leaf which is doubly compound, esp. in ferns
  2. any of the lateral branches of the arm of a crinoid

Origin: ModL pinnula < L, dim. of pinna, wing, feather: see pen

Related Forms:

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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