From Longman Dictionary of Contemporary Englishfourfour /fɔː $ fɔːr/ ●●● S2 W1 number, noun 1 HMNthe number 4 She is married with four children. They arrived just after four (=four o'clock). Luke will soon be four (=four years old).2 → on all fours3 → in fours4 [countable] a hit in cricket that scores four runs because it goes over the edge of the playing area5 [countable] a team of four people who row a racing boat, or the boat that they row6 → the four corners of the Earth/world → four ply at ply2Origin four Old English feower