‖n. pl. [ NL., from Gr. &unr_; gill + E. gastropoda. ] (Zool.) Those Gastropoda that breathe by branchiæ, including the Prosobranchiata and Opisthobranchiata. [ 1913 Webster ]
n. (Zool.) One of the Gastropoda.
‖n. pl., [ NL., fr. Gr. &unr_;, &unr_;, stomach + -poda. ] (Zool.) 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.
☞ The Gastropoda are divided into three subclasses; viz.: (
a. (Zool.) Of or pertaining to the Gastropoda. [ 1913 Webster ]