tube foot Hear it!

tube foot definition

tube foot

any of numerous small, water-filled, fleshy tubes in most echinoderms, projecting outside the body, often ending in a suction disc, and used in locomotion, securing food, etc.

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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