pul·mo·nif·era I. \ˌpəlməˈnif(ə)rə\ Etymology: New Latin, from pulmon- + Latin -fera (neuter plural of -fer) synonym of pulmonata II. noun plural Usage: capitalized Etymology: New Latin, from pulmon- + Latin -fera : a group of terrestrial snails (suborder Taenioglossa) having the gill replaced by a pulmonary sac