Source : WordNet®

seasnail
     n 1: small tadpole-shaped cold-water fishes with pelvic fins
          forming a sucker; related to lumpfish [syn: {snailfish},
           {sea snail}, {Liparis liparis}]
     2: any of several creeping marine gastropods with a spirally
        coiled shell: whelks; tritons; moon shells; neritids