Noun
one of the often brightly colored and branching hornlike structures on the back of the nudibranch (and other related mollusks) that serve as gills
Source: WordNetCERAS, the centre for study and rehabilitation of wild animals, is established in the college grounds and we were privileged to be invited to the release of a fox that had been found by the GNR badly burned in the Pedrogão Grande fires in June. Source: Internet
Vitruvius details in his text On Architecture that Ceras the Carthaginian was the first to make a ram with a wooden base with wheels and a wooden superstructure. Source: Internet