Definition of "quadrupedalism" []

• The condition of being a quadruped (noun)

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• "Re human quadrupedalism, may I hope that you will be discussing feral children in this capacity?"
• "When averaged as a group, the chimpanzees showed no significant difference between bipedalism and quadrupedalism."
• "Moreover, the human bipedal gait was found to be nearly four times more efficient than chimpanzee quadrupedalism."