tube foot

tube foot
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
• Hypernyms: ↑foot, ↑invertebrate foot
• Part Holonyms: ↑echinoderm

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noun
: one of numerous small tentacular flexible tubular processes of starfishes, sea urchins, and most holothurians bearing at the end an adhesive sucker, being extensions of the water-vascular system, employed in crawling or in holding on to objects, and serving also in respiration and as tactile organs

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

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tube foot noun
In echinoderms, a tube protruding through a pore, used in locomotion and respiration
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Main Entry: ↑tube

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tube foot,
one of the many tubular organs of locomotion of a starfish, sea urchin, or other echinoderm.

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n. usu. tube feet Zoology (in an echinoderm) each of a large number of small, flexible, hollow appendages protruding through the ambulacra, used either for locomotion or for collecting food and operated by hydraulic pressure within the water-vascular system

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Tube foot — Tube Tube, n. [L. tubus; akin to tuba a trumpet: cf F. tube.] 1. A hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe. [1913 Webster] 2. A telescope. Glazed optic tube. Milton. [1913… …   The Collaborative International Dictionary of English

  • tube foot — tube′ foot n. zool. one of numerous small, tubular processes on the ventral body surface of most echinoderms, used for locomotion and grasping • Etymology: 1885–90 …   From formal English to slang

  • tube foot — n. any of numerous small, water filled, fleshy tubes in most echinoderms, projecting outside the body, often ending in a suction disc, and used in locomotion, securing food, etc …   English World dictionary

  • tube foot — noun A locomotor appendage of an echinoderm consisting of a tube with longitudinal muscles, pressurized by water. See Also: ambulacrum, ampulla, radial canal …   Wiktionary

  • tube foot — noun Date: 1888 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 …   New Collegiate Dictionary

  • tube foot — one of numerous small, tubular processes on the ventral body surface of most echinoderms, used for locomotion and grasping. [1885 90] * * * …   Universalium

  • tube foot — noun Zoology (in an echinoderm) each of a large number of small flexible hollow appendages protruding through the ambulacra, used either for locomotion or for collecting food …   English new terms dictionary

  • Tube — Tube, n. [L. tubus; akin to tuba a trumpet: cf F. tube.] 1. A hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe. [1913 Webster] 2. A telescope. Glazed optic tube. Milton. [1913 Webster] 3 …   The Collaborative International Dictionary of English

  • Tube coral — Tube Tube, n. [L. tubus; akin to tuba a trumpet: cf F. tube.] 1. A hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe. [1913 Webster] 2. A telescope. Glazed optic tube. Milton. [1913… …   The Collaborative International Dictionary of English

  • Tube plate — Tube Tube, n. [L. tubus; akin to tuba a trumpet: cf F. tube.] 1. A hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe. [1913 Webster] 2. A telescope. Glazed optic tube. Milton. [1913… …   The Collaborative International Dictionary of English

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