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See also: Glaucus


two glaucuses Glaucus atlanticus (left) and Glaucus marginatus


From Ancient Greek γλαυκός (glaukós, blue-green, blue-grey).


glaucus (plural glaucuses)

  1. 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.
  2. Citrus glauca, the desert lime, a thorny shrub species endemic to semi-arid regions of Australia.
    • 1833, Charles Sturt, Two Expeditions into the Interior of Southern Australia, Complete[1]:
      This pass is extremely abrupt, and is covered with glaucus, the low scrub I have noticed as common to the sand-stone formation.

External links[edit]

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.



Etymology 1[edit]

From Ancient Greek γλαυκός (glaukós, blue-green, blue-grey).


glaucus m (feminine glauca, neuter glaucum); first/second declension

  1. bright, sparkling, gleaming, grayish

First/second declension.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
nominative glaucus glauca glaucum glaucī glaucae glauca
genitive glaucī glaucae glaucī glaucōrum glaucārum glaucōrum
dative glaucō glaucae glaucō glaucīs glaucīs glaucīs
accusative glaucum glaucam glaucum glaucōs glaucās glauca
ablative glaucō glaucā glaucō glaucīs glaucīs glaucīs
vocative glauce glauca glaucum glaucī glaucae glauca
Related terms[edit]

Etymology 2[edit]

From Ancient Greek γλαῦκος (glaûkos, blue-green, blue-grey).


glaucus m (genitive glaucī); second declension

  1. a bluish-colord fish of uncertain identity

Second declension.

Number Singular Plural
nominative glaucus glaucī
genitive glaucī glaucōrum
dative glaucō glaucīs
accusative glaucum glaucōs
ablative glaucō glaucīs
vocative glauce glaucī


  • glaucus” in Charlton T. Lewis & Charles Short, A Latin Dictionary, Oxford: Clarendon Press, 1879.