n. A name of various fishes and other marine animals. A sea-cow or sirenian.n. A dolphin or porpoise. The Tursiops gilli, a porpoise of the family Delphinidæ, of the western coast of the United States. The grampus, Globicephalus melas.n. An ostraciontoid fish, Ostracion quadricorne, with strong antrorse supraocular spines, like horns, common in tropical Atlantic waters, and occasionally found along the southern coast of the United States. Also called cuckold.n. A local name in Orkney of sundry oval bivalve shell-fish, as clams.n. A name applied in New England to the grampus, Grampus griseus.n. A name applied in Demerara to the manatee.