Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of crustacean is as below...

Anomuran :: Anomuran (a.) Irregular in the character of the tail or abdomen; as, the anomural crustaceans..

Labrum :: Labrum (n.) An organ in insects and crustaceans covering the upper part of the mouth, and serving as an upper lip. See Illust. of Hymenoptera..

Sloughing :: Sloughing (n.) The act of casting off the skin or shell, as do insects and crustaceans; ecdysis..

Crustaceous :: Crustaceous (a.) Belonging to the Crustacea; crustacean.

Post-abdomen :: Post-abdomen (n.) That part of a crustacean behind the cephalothorax; -- more commonly called abdomen.

Apus :: Apus (n.) A genus of fresh-water phyllopod crustaceans. See Phyllopod.

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..

Pygidium :: Pygidium (n.) The caudal plate of trilobites, crustacean, and certain insects. See Illust. of Limulus and Trilobite..

Propodite :: Propodite (n.) The sixth joint of a typical leg of a crustacean; usually, the penultimate joint..

Siphon :: Siphon (n.) The sucking proboscis of certain parasitic insects and crustaceans.

Crustacean :: Crustacean (n.) An animal belonging to the class Crustacea.

Palingenesy :: Palingenesy (n.) That form of evolution in which the truly ancestral characters conserved by heredity are reproduced in development; original simple descent; -- distinguished from kenogenesis. Sometimes, in zoology, the abrupt metamorphosis of insects, crustaceans, etc..

Stalking-horse :: Stalk-eyed (a.) Having the eyes raised on a stalk, or peduncle; -- opposed to sessile-eyed. Said especially of podophthalmous crustaceans..

Sea Louse :: Sea louse () Any one of numerous species of isopod crustaceans of Cymothoa, Livoneca, and allied genera, mostly parasites on fishes..

Seta :: Seta (n.) Any slender, more or less rigid, bristlelike organ or part; as the hairs of a caterpillar, the slender spines of a crustacean, the hairlike processes of a protozoan, the bristles or stiff hairs on the leaves of some plants, or the pedicel of the capsule of a moss..

Metanauplius :: Metanauplius (n.) A larval crustacean in a stage following the nauplius, and having about seven pairs of appendages..

Ommatidium :: Ommatidium (n.) One of the single eyes forming the compound eyes of crustaceans, insects, and other invertebrates..

Screw :: Screw (n.) An amphipod crustacean; as, the skeleton screw (Caprella). See Sand screw, under Sand..

Gnathopodite :: Gnathopodite (n.) Any leglike appendage of a crustacean, when modified wholly, or in part, to serve as a jaw, esp. one of the maxillipeds..

Crustacean :: Crustacean (a.) Of or pertaining to the Crustacea; crustaceous.

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