involucrum

Variant of involucre

involucre definition

in·vo·lu·cre (in′vō lo̵̅o̅′kər, -və-)

noun

  1. Anat. a membranous covering or envelope
  2. Bot. a ring of small leaves, or bracts, at the base of a flower, flower cluster, or fruit: involucres are found in all plants of the composite family

Etymology: Fr < L involucrum, wrapper, case, envelope < involvere: see involve

Related Forms:

  • involucral in′·vo·lu′·cral (-krəl) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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