(Science: zoology) walking on the sole of the foot; pertaining to the plantigrades.
Having the foot so formed that the heel touches the ground when the leg is upright.
Origin: L. Planta sole of the foot _ gradi to walk: cf. F. Plantigrade.
(Science: zoology) A plantigrade animal, or one that walks or steps on the sole of the foot, as man, and the bears.