plantigrade adjective & noun. ['plantɪgreɪd] M19.
[French from mod. Latin plantigradus, from Latin planta sole of the foot + -I- + -gradus walking.]
Zoology.
A. adjective.
1. Walking upon the soles of the feet, like a human; designating or adapted for such a manner of walking. Formerly spec., designating or pertaining to a member of a former tribe Plantigrada of carnivorous mammals, including bears, badgers, and racoons. M19.

2. Of a human: having flat feet. M19.
b. noun. A plantigrade animal. M19.

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