noun
- 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. .
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| APA | WordNet. (2010). tube foot. Retrieved September 23, 2026, from http://smartdefine.org/tube_foot/definitions/1199240 |
| Chicago | WordNet. 2010. "tube foot" http://smartdefine.org/tube_foot/definitions/1199240 (accessed September 23, 2026). |
| Harvard | WordNet 2010, tube foot, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/tube_foot/definitions/1199240>. |
| MLA | WordNet. "tube foot" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/tube_foot/definitions/1199240> |