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tube foot
noun
- one of numerous small, tubular processes on the ventral body surface of most echinoderms, used for locomotion and grasping.
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
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.
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Word History and Origins
Origin of tube foot1
First recorded in 1885–90
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Example Sentences
If an ampulla be inflated and then pressed, the corresponding tube-foot will be seen to extend.
From Project Gutenberg
At the base of each tube-foot there is a globular reservoir, or ampulla.
From Project Gutenberg
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