plantigradism

English

Etymology

plantigrade +‎ -ism

Noun

plantigradism (uncountable)

1. Plantigrade locomotion.
   • 1898, Henry Fairfield Osborn, A Complete Skeleton of Coryphodon Radians:

     Contrary evidence that Coryphodon, so far from being unguligrade, was transitional between complete plantigradism and digitigradism, is given below.