Definitions

from The Century Dictionary.

  • noun In ichthyology, a genus of fishes.
  • noun In conchology, a genus of nudibranchiate gastropods, typical of the family Glaucidæ, of slender elongate form, with four tentacles.
  • noun In ornithology: [lowercase] The specific name of the burgomaster-gull, Larus glaucus.
  • noun A genus comprising the section of the genus Larus represented by the burgomaster.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) A genus of nudibranchiate mollusks, found in the warmer latitudes, swimming in the open sea. These mollusks are beautifully colored with blue and silvery white.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A genus Glaucus of nudibranchiate mollusks, found in the warmer latitudes, swimming in the open sea. These mollusks are beautifully colored with blue and silvery white.
  • noun Citrus glauca, the desert lime, a thorny shrub species endemic to semi-arid regions of Australia.

Etymologies

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  • Greek for 'owl gray', but is also a name for a mollusque known for its blue and silvery-white color.

    November 26, 2010

  • And, although spelled differently, an adjective in several bird names.

    November 28, 2010