spiracle
n. air hole, opening which allows the passage of air; (Zoology) respiratory aperture (as in whales, sharks, spiders, etc.) | ||||
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Spiracle definition was found in categories: Language, Idioms & Slang(2) Science & Technology(1) Encyclopedia(1)
Spiracle Definition from Language, Idioms & Slang Dictionaries & Glossaries
| Webster's Revised Unabridged Dictionary (1913) |
Spiracle
(n.)
The nostril, or one of the nostrils, of whales, porpoises, and allied animals.
(n.)
One of the external openings communicating with the air tubes or tracheae of insects, myriapods, and arachnids. They are variable in number, and are usually situated on the sides of the thorax and abdomen, a pair to a segment. These openings are usually elliptical, and capable of being closed. See Illust. under Coleoptera.
(n.)
Any small aperture or vent for air or other fluid.
(n.)
A tubular orifice communicating with the gill cavity of certain ganoid and all elasmobranch fishes. It is the modified first gill cleft.
(n.)
The nostril, or one of the nostrils, of whales, porpoises, and allied animals.
(n.)
One of the external openings communicating with the air tubes or tracheae of insects, myriapods, and arachnids. They are variable in number, and are usually situated on the sides of the thorax and abdomen, a pair to a segment. These openings are usually elliptical, and capable of being closed. See Illust. under Coleoptera.
(n.)
Any small aperture or vent for air or other fluid.
(n.)
A tubular orifice communicating with the gill cavity of certain ganoid and all elasmobranch fishes. It is the modified first gill cleft.
| WordNet 2.0 |
spiracle
Noun
1. a breathing orifice
(hypernym) orifice, opening, porta
(hyponym) blowhole
Noun
1. a breathing orifice
(hypernym) orifice, opening, porta
(hyponym) blowhole
Spiracle Definition from Science & Technology Dictionaries & Glossaries
| Glossary of Entomology and Crop Protection |
Spiracle
Breathing pore. External opening of the tracheal respiratory system.
Breathing pore. External opening of the tracheal respiratory system.
Spiracle Definition from Encyclopedia Dictionaries & Glossaries
| Wikipedia English - The Free Encyclopedia |
Spiracle
Spiracles are small openings on the surface of some animals that usually lead to respiratory systems.
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