Definition of "glaucus" [‖Glau•cus]

• 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. (noun)

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• "UGLY blue slugs called glaucus that like to eat bluebottles are turning up in their hundreds on Gold Coast beaches blown in by northeasterlies."
• "[1612] Narrated by AElian (Anim i. 16) of the "glaucus," a fish apparently unknown."
• "Phoebe zhenan (V), Litsea elongata, oak Quercus glaucus, Elaeocarpus spp. and maples Acer spp."