tube foot

tube foot

n.

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

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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.

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 respiration echinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodies invertebrate foot, foot - any of various organs of locomotion or attachment in invertebrates