Definition of all fours
1a : all four legs of a quadrupedb : the two legs and two arms of a person when used to support the body down on all fours
2 singular in construction : any of various card games in which points are scored for the high trump, low trump, jack of trumps, and game
First Known Use of all fours
ALL FOURS Defined for Kids
Definition of all fours for Students
: all four legs of a four-legged animal or both legs and both arms of a person The baby is still crawling on all fours.
Seen and Heard
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