2 definitions found

From WordNet (r) 2.0 [wn]:

Gastropoda

noun: snails and slugs and their relatives [syn: {class Gastropoda}, {Gasteropoda}, {class Gasteropoda}]

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Gastropoda \Gas*trop"o*da\, noun pl., [NL., fr. Gr. ?, ?, stomach + -poda.] (Zo["o]l.) One of the classes of Mollusca, of great extent. It includes most of the marine spiral shells, and the land and fresh-water snails. They generally creep by means of a flat, muscular disk, or foot, on the ventral side of the body. The head usually bears one or two pairs of tentacles. See {Mollusca}. [Written also {Gasteropoda}.]

Note: The Gastropoda are divided into three subclasses; viz.: ({a}) The Streptoneura or Dioecia, including the Pectinibranchiata, Rhipidoglossa, Docoglossa, and Heteropoda. ({b}) The Euthyneura, including the Pulmonata and Opisthobranchia. ({c}) The Amphineura, including the Polyplacophora and Aplacophora.
  Definitions retrieved from local copies of the freely distributed DICT client/server software and databases. Click here for database copyright information.