Plan"ti*grade (?), a. [L. planta sole of the foot + gradi to walk: cf. F. plantigrade.] Zool. (a)
Walking on the sole of the foot; pertaining to the plantigrades.
(b)
Having the foot so formed that the heel touches the ground when the leg is upright.
© Webster 1913.
Plan"ti*grade, n. Zool.
A plantigrade animal, or one that walks or steps on the sole of the foot, as man, and the bears.
© Webster 1913.