One entry found for crustacean.

Main Entry: crus·ta·cean
Pronunciation: krs-t-shn
Function: noun
: any of a large class of mostly water-dwelling arthropods (as lobsters, shrimps, crabs, wood lice, water fleas, and barnacles) having an exoskeleton of chitin or chitin and a compound of calcium
- crustacean adjective