Harpoon :: Harpoon (n.) A spear or javelin used to strike and kill large fish, as whales; a harping iron. It consists of a long shank, with a broad, fiat, triangular head, sharpened at both edges, and is thrown by hand, or discharged from a gun..
Harpoon :: Harpoon (v. t.) To strike, catch, or kill with a harpoon..