Pulmonata : Definition

Pronunciation : Pul`mo*na"ta
Part of Speech : n.
Etymology : [NL., from L. pulmo, -onis, a lung.] (Zoöl.)
Definition : Defn: An extensive division, or sub-class, of hermaphrodite gastropods, in which the mantle cavity is modified into an air- breathing organ, as in Helix, or land snails, Limax, or garden slugs, and many pond snails, as Limnæa and Planorbis.

pl.
Source : Webster's Unabridged Dictionary, 1913