LOB'STER, n. A crustaceous fish of the genus Cancer. Lobsters have large claws and fangs, and four pair of legs. They are said to change their crust annually, and to be frightened at thunder or other loud report. They constitute an article of food.
LOB'STER, n. [Sax. loppestre or lopystre. The first syllable coincides with Sax. lobbe, a spider, and with loppe, a flea; probably all named from their shapes or legs. The last syllable coincides with ster, in spinster, minister.]
Astacus Gammarus, a crustaceous articulated animal, with an elongated somewhat cylindrical body and ten extremities. The six anterior extremities are furnished with a finger and a thumb which have teeth. When one of these extremities is broken off, it will be reproduced in a few weeks; But the new one is never quite as large as the old one. They change their crust annually. They inhabit the clearest water, at the foot of rocks that impend over the sea.
- Any large macrurous crustacean used as food,
esp. those of the genus Homarus; as the American lobster
(H. Americanus), and the European lobster (H.
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
- As a term of
opprobrium or contempt: A gullible, awkward, bungling, or undesirable