Pulmograde

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pulmograde \Pul"mo*grade\, a. [L. pulmo a lung + gradi to walk.]
     (Zool.)
     Swimming by the expansion and contraction, or lunglike
     movement, of the body, or of the disk, as do the medus[ae].
     [1913 Webster]