on all fours
AdverbSynonyms:
on all fours
WordNet 3.0
Adverb (1)
- on hands and knees“he got down on all fours to play with his grandson”Synonyms: on all fours
Webster's Dictionary (GCIDE)
All fours \All` fours"\ [formerly, All` four".] All four legs of a quadruped; or the two legs and two arms of a person. [1913 Webster]
To be, go, or run, on all fours (Fig.), to be on the same footing; to correspond (with) exactly; to be alike in all the circumstances to be considered. "This example is on all fours with the other." "No simile can go on all fours." --Macaulay. [1913 Webster]