tube foot


noun

one of numerous small, tubular processes on the ventral body surface of most echinoderms, used for locomotion and grasping.

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Origin of tube foot

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for tube foot

tube foot

noun

any of numerous tubular outgrowths of the body wall of most echinoderms that are used as organs of locomotion and respiration and to aid ingestion of food
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for tube foot

tube foot

One of the numerous external, fluid-filled muscular tubes of echinoderms, such as the starfish or sea urchin, used for locomotion, respiration, and grasping food or prey.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.