moon shell

moon shell

n. See moon snail.

moon′ shell`

n. any marine gastropod of the family Naticidae, having a rounded, short-spired, smooth shell. [1935–40]

Thesaurus

Noun

1.

moon shell - marine gastropods having smooth rounded shells that form short spiresmoonshellseasnail - any of several creeping marine gastropods with a spirally coiled shell: whelks; tritons; moon shells; neritidsfamily Naticidae, Naticidae - moonshells