Noun
fours
plural of four
(poker slang) A pair of fours.
(UK, prison slang) The cells located on the third floor.
Coordinate terms: ones, twos, threes, fives
(finance, archaic) Shares at a rate of four percent.
Coordinate term: fives
Art -- the one achievement of Man which has made the long trip up from all fours seem well advised. James Thurber
Nearly everything in life goes in threes and fours. Ninette de Valois
If I had sharp claws I'd get on all fours. And scratch your back for free. Ed Harcourt
A boy cannot begin playing ball too early. I might almost say that while he is still creeping on all fours he should have a bouncing rubber ball. Christy Mathewson
I tend to eat things in fours. I'll eat four nuts, four grapes, four chips at a time. I don't know why. It's not really a superstition. I don't think anything bad will happen if I don't, but three potato chips doesn't seem right. Jimmy Wales
One feels like crawling on all fours after reading your work. Voltaire