gill cover
noun Date: 1776 operculum 1b

New Collegiate Dictionary. 2001.

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  • Gill cover — Gill Gill (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills.… …   The Collaborative International Dictionary of English

  • gill cover — noun Etymology: gill (III) : the fold of skin usually stiffened by bony plates and often covered with scales that protects externally the gill apparatus of most fishes compare operculum …   Useful english dictionary

  • gill cover — the side of the head covering the gills, comprising the bones (mostly the operculum) and associated tissues of the opercular series …   Dictionary of ichthyology

  • gill cover — noun operculum …   Wiktionary

  • gill cover — noun a flap of skin protecting a fish s gills, typically stiffened by bony plates …   English new terms dictionary

  • Gill — (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills. Ray. [1913… …   The Collaborative International Dictionary of English

  • Gill arches — Gill Gill (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills.… …   The Collaborative International Dictionary of English

  • Gill bars — Gill Gill (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills.… …   The Collaborative International Dictionary of English

  • Gill clefts — Gill Gill (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills.… …   The Collaborative International Dictionary of English

  • Gill frame — Gill Gill (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills.… …   The Collaborative International Dictionary of English

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