crustacea

plural noun crus·ta·cea \ ˌkrə-ˈstā-sh(ē-)ə \

Definition of crustacea

: arthropods that are crustaceans

Origin and Etymology of crustacea

New Latin, group name, from neuter plural of crustaceus


Medical Dictionary

crustacea

noun plural crus·ta·cea \ ˌkrəs-ˈtā-sh(ē-)ə \

medical Definition of crustacea

1 capitalized : a large class of mostly aquatic 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
2 : arthropods of the class Crustacea

crustacean

play \-shən\ adjective or noun

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