plantigrade
(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.
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