Requin \Re"quin\ (r?"kw?n), n. [F., fr. reqiem a Mass sung for the dead. See {Requiem}.] (Zo["o]l.) The man-eater, or white shark ({Carcharodon carcharias}); -- so called on account of its causing requiems to be sung.
Carcharodon carcharias n : large aggressive shark widespread in warm seas; known to attack humans [syn: {great white shark}, {white shark}, {man-eater}, {man-eating shark}]