Meaning of “on all fours” in the English Dictionary

british dictionary

"on all fours" in British English

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on all fours

with your hands and knees on the ground:

You'll have to get down on all fours to clean behind the toilet.

(Definition of “on all fours” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"on all fours" in American English

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on all fours

having both knees and hands on the ground:

Shirelle was on all fours, looking for her contact lens.

(Definition of “on all fours” from the Cambridge Academic Content Dictionary © Cambridge University Press)