Definition of crust

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Crust (n.) The hard external coat or covering of anything; the hard exterior surface or outer shell; an incrustation; as, a crust of snow..

Lern More About Crust

Lobster :: Lobster (n.) 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 lobsters..
Edriophthalma :: Edriophthalma (n. pl.) A group of Crustacea in which the eyes are without stalks; the Arthrostraca.
Epimeron :: Epimeron (n.) In crustaceans: The part of the side of a somite external to the basal joint of each appendage.
Semi Crustaceous :: Semi crustaceous (a.) Half crustaceous; partially crustaceous.
Peraeopod :: Peraeopod (n.) One of the thoracic legs of a crustacean. See Illust. of Crustacea.
Endosternite :: Endosternite (n.) The part of each apodeme derived from the intersternal membrane in Crustacea and insects.
Exuviation :: Exuviation (n.) The rejecting or casting off of some part, more particularly, the outer cuticular layer, as the shells of crustaceans, skins of snakes, etc.; molting; ecdysis..
Phyllobranchia :: Phyllobranchia (n.) A crustacean gill composed of lamellae.
Copepoda :: Copepoda (n. pl.) An order of Entomostraca, including many minute Crustacea, both fresh-water and marine..
Adactylous :: Adactylous (a.) Without claws on the feet (of crustaceous animals).
Remiped :: Remiped (a.) Having feet or legs that are used as oars; -- said of certain crustaceans and insects.
Isopoda :: Isopoda (n. pl.) An order of sessile-eyed Crustacea, usually having seven pairs of legs, which are all similar in structure..
Bar :: Bar (n.) The part of the crust of a horse's hoof which is bent inwards towards the frog at the heel on each side, and extends into the center of the sole..
Ground :: Ground (n.) The surface of the earth; the outer crust of the globe, or some indefinite portion of it..
Mandible :: Mandible (n.) The anterior pair of mouth organs of insects, crustaceaus, and related animals, whether adapted for biting or not. See Illust. of Diptera..
Homarus :: Homarus (n.) A genus of decapod Crustacea, including the common lobsters..
Pygidium :: Pygidium (n.) The caudal plate of trilobites, crustacean, and certain insects. See Illust. of Limulus and Trilobite..
Zoea :: Zoea (n.) A peculiar larval stage of certain decapod Crustacea, especially of crabs and certain Anomura..
Supra-ethmoid :: Supra-esophageal (a.) Situated above, or on the dorsal side of, the esophagus; as, the supra-esophageal ganglion of Crustacea..
Coffin :: Coffin (n.) The hollow crust or hoof of a horse's foot, below the coronet, in which is the coffin bone..
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