tube foot

tube foot

n. One of the numerous external, fluid-filled muscular tubes of an echinoderm, such as a starfish or sea urchin, serving as organs of locomotion, food handling, and respiration.

tube foot

n (Zoology) 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

tube′ foot`

n. one of numerous small, tubular processes on the ventral body surface of most echinoderms, used for locomotion and grasping. [1885–90]

Thesaurus

Noun

1.

tube foot - tentacular tubular process of most echinoderms (starfish and sea urchins and holothurians) having a sucker at the end and used for e.g. locomotion and respirationechinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodiesinvertebrate foot, foot - any of various organs of locomotion or attachment in invertebrates