Here you will find one or more explanations in English for the word Pulmograde.
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Pulmograde
Pulmograde Pul"mo*grade, a. [L. pulmo a lung + gradi to walk.]
(Zo["o]l.)
Swimming by the expansion and contraction, or lunglike
movement, of the body, or of the disk, as do the medus[ae].
Meaning of Pulmograde from wikipedia