1 number 4
HELPNOTE There are examples of how to use numbers at the entry for five.
2 noun a group of four people or things:
to make up a four at tennis * a coach and four (= four horses)
3 noun (in cricket) a shot that scores four RUNS
4 noun a team of four people who row a long narrow boat in races; the boat that they row
IDIOMS
on all fours (of a person) bent over with hands and knees on the ground:
We were crawling around on all fours.
these four walls used when you are talking about keeping sth secret:
Don't let this go further than these four walls (= Don't tell anyone else who is not in the room now).
