Hypertext Webster Gateway: "Pulmonata"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Pulmonata \Pul`mo*na"ta\, n. pl. [NL., from L. pulmo, -onis, a
lung.] (Zo["o]l.)
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 Limn[ae]a and
Planorbis.
From WordNet (r) 1.7 (wn)
Pulmonata
n : large order of gastropods usually breathing by means of a
lung-like sac comprising most land snails and slugs and
many freshwater snails [syn: {Pulmonata}, {order
Pulmonata}]
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