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crustacean

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noun crus·ta·cean \ˌkrəs-ˈtā-shən\

Simple Definition of crustacean

  • : a type of animal (such as a crab or lobster) that has several pairs of legs and a body made up of sections that are covered in a hard outer shell

Full Definition of crustacean

  1. :  any of a large class (Crustacea) of mostly aquatic mandibulate arthropods that have a chitinous or calcareous and chitinous exoskeleton, a pair of often much modified appendages on each segment, and two pairs of antennae and that include the lobsters, shrimps, crabs, wood lice, water fleas, and barnacles

crustacean adjective


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