Gastropod

from WordNet (r) 3.0 (2006)

gastropod
    n 1: a class of mollusks typically having a one-piece coiled
         shell and flattened muscular foot with a head bearing
         stalked eyes [syn: {gastropod}, {univalve}]

from The Collaborative International Dictionary of English v.0.48

Gastropod \Gas"tro*pod\, n. (Zool.)
   One of the Gastropoda. [Written also {gasteropod}.]
   [1913 Webster]

[email protected]