/see"snayl'/ , n. , pl. ( esp. collectively ) seasnail , ( esp. referring to two or more kinds or species ) seasnails .
1. any of several snailfishes of the genus Liparis, of the North Atlantic.
2. any of several marine gastropods having a spirally coiled shell, as a whelk.
[ bef. 1000; ME seesnail, OE saesnaegl. See SEA, SNAIL ]