seasnail

[ see-sneyl ]
/ ˈsiˌsneɪl /

noun, plural (especially collectively) sea·snail, (especially referring to two or more kinds or species) sea·snails.

any of several snailfishes of the genus Liparis, of the North Atlantic.
any of several marine gastropods having a spirally coiled shell, as a whelk.

Origin of seasnail

before 1000; Middle English seesnail, Old English sǣsnǣgl. See sea, snail

British Dictionary definitions for sea snail

sea snail

noun

any small spiny-finned fish of the family Liparidae, esp Liparis liparis, of cold seas, having a soft scaleless tadpole-shaped body with the pelvic fins fused into a sucker Also called: snailfish