: one of the small flexible tubular processes of most echinoderms that are extensions of the water-vascular system and are used especially in locomotion and grasping
Recent Examples on the Web Some use tiny tube feet to crawl, while others, like Synapta, move in undulating, wavelike motions. —Shaena Montanari, National Geographic, 21 July 2017
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'tube foot.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Love words? Need even more definitions?Merriam-Webster unabridged
See Definitions and Examples »
Get Word of the Day daily email!
Words at Play
Palter, Dissemble, and Other Words for Lying
Skunk, Bayou, and Other Words with Native American Origins
You've used more than you might think
Words For Things You Didn't Know Have Names, Vol. 2
When 'thingamajig' and 'thingamabob' just won't do
When Were Words First Used?
Look up any year to find out
Ask the Editors