Pronunciation: (pul'mu-nāt", -nit, pool'-), [key]
1. Zool.having lungs or lunglike organs.
2. belonging to the Pulmonata, an order of gastropod mollusks usually breathing by means of a lunglike sac, and including most of the terrestrial snails and the slugs and certain aquatic snails.
a pulmonate gastropod.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.