crustacean
Word family nouncrustaceanadjectivecrustaceous
crus·ta·cean /krʌˈsteɪʃən/ noun [countableC] technical HBAan animal such as a lobster or a crab that has a hard outer shell and several pairs of legs, and usually lives in water 甲壳纲动物〔如龙虾、螃蟹〕 —crustacean adjectiveadj
Origin crustacean (1800-1900) Modern Latin crustaceus, from
Latin crusta;
→ CRUST