- tube foot
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A locomotor appendage of an echinoderm consisting of a tube with longitudinal muscles, pressurized by water.See Also: ambulacrum, ampulla, radial canal
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tube foot
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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 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 * * * noun … Useful english dictionary
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
