subumbrella Hear it!

subumbrella definition

sub·um·brella (sub′um brel′ə)

noun

Zool. the concave lower, or oral, surface of a jellyfish

Etymology: sub- + umbrella

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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