Crust. (Crustacea)

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• Crustacea — 1814, from Mod.L. neut. pl. of crustaceus (animalia), lit. having a crust or shell, from L. crusta crust, rind, bark, hard shell (see CRUST (Cf. crust)). Taken as a zoological classification by Lamarck, 1801; Cuvier (1798) had les insectes… …   Etymology dictionary

• Crustacea — Crus*ta ce*a (kr?s t? sh? ?), n. pl. [Neut. pl. of NL. crustaceus pert. to the crust or shell, from L. crusta the hard surfsce of a body, rind, shell.] (Zo[ o]l.) One of the classes of the arthropods, including lobsters and crabs; so called from… …   The Collaborative International Dictionary of English

• Crustacea — A very large class of aquatic animals (phylum Arthropoda) with a chitinous exoskeleton and jointed appendages; e.g., the crab, lobster, crayfish, shrimp, isopods, ostracods, and amphipods. Some, such as certain copepods, are parasitic; others… …   Medical dictionary

• crust — [14] Latin crusta meant ‘hard outer covering, shell’ (it is related to a number of words, including ultimately crystal, denoting a hard surface caused by freezing). Old French acquired it as crouste (the modern French form croûte formed the basis …   The Hutchinson dictionary of word origins

• crust — [14] Latin crusta meant ‘hard outer covering, shell’ (it is related to a number of words, including ultimately crystal, denoting a hard surface caused by freezing). Old French acquired it as crouste (the modern French form croûte formed the basis …   Word origins

• Pie crust crab — Scientific classification Kingdom: Animalia Phylum: Arthropoda Subphylum: Crusta …   Wikipedia

• crustacean — /kru stay sheuhn/, n. 1. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice. adj. 2. belonging or pertaining to the… …   Universalium

• Cancer pagurus — Scientific classification Kingdom: Animalia Phylum …   Wikipedia

• Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …   Universalium

• crustaceous — adjective 1. of or belonging to the class Crustacea • Syn: ↑crustacean • Pertains to noun: ↑Crustacea (for: ↑crustacean), ↑Crustacea • Derivationally related forms: ↑ …   Useful english dictionary

• Corophium — Scientific classification Kingdom: Animalia Phylum: Arthropoda Subphylum: Crus …   Wikipedia