Medical Dictionary
Main Entry:
crus·ta·cea Pronunciation:
"kr&s-'tA-sh(E-)& Function:
noun plural 1 capitalized : a large class of mostlyaquatic 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 —
crus·ta·cean /-sh&n/ adjective ornoun