Lobster

Any large macrurous crustacean used as food esp those of the genus Homarus as the American lobster Homarus Americanus and the European lobster Homarus vulgaris The Norwegian lobster Nephrops Norvegicus is similar in form All these have a pair of large unequal claws The spiny lobsters of more southern waters belonging to Palinurus Panulirus and allied genera have no large claws The fresh water crayfishes are sometimes called lobsters