sea snail

noun

Definition of sea snail

  1. 1 :  a creeping marine gastropod mollusk with a spiral shell (as a whelk, triton, or moonshell)

  2. 2 :  any of numerous small tadpole-shaped mail-cheeked fishes (family Liparididae) found in cold seas, covered with very lax skin, and usually having the pelvic fins modified to form a sucker

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a rounded knoll or a ridge of ice

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