aril Hear it!

aril definition

aril (ar′il, er′-)

noun

an additional covering that forms on certain seeds after fertilization, developing from the stalk of the ovule

Etymology: ModL arillus < ML, dried grape < L aridus, arid

Related Forms:

  • arillate ar′il·late′ (-ə lāt′) 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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