1º_ It is an adjective for something with a surface "shiny, shiny, resplendent". It comes from the Greek 947; 955; 945; 965; 954; 959; 962; ( glaukós ) with the same meaning . 2º_ Of color "grayish blue" or "bluish green", especially in the eyes or the sea. 3º_ Common name in Greece, of various historical, literary and mythological characters. 4º_ It is one of the names for the mollusk Glaucus atlanticus. See blue dragon.
