Grăv'i-grāde, n.
n. [Lat. gravis, heavy, and gradus, step.] (Zoöl.) One of that class of mammalia which includes animals of slow and heavy pace, as the elephant, hippopotamus, &c.; — so called by Blainville.
n. [Lat. gravis, heavy, and gradus, step.] (Zoöl.) One of that class of mammalia which includes animals of slow and heavy pace, as the elephant, hippopotamus, &c.; — so called by Blainville.