GNU Collaborative International Dictionary of English

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  1.       

    ‖Pulmonata , n. pl. [NL., from L. pulmo, -onis, a lung.] (Zool.) 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.
    1913 Webster

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