four

1. The digit or figure 4; an occurrence thereof. (countable)
2. Anything measuring four units, as length. (countable) · Do you have any more fours? I want to make this a little taller.
3. Four o'clock. (countable, uncountable)
4. A person who is four years old. (countable, uncountable) · I'll take the threes, fours and fives and go to the playground.
5. An event in which the batsmen run four times between the wickets or, more often, a batsman hits a ball which bounces on the ground before passing over a boundary, resulting in an award of 4 runs for the batting team. If the ball does not bounce before passing over the boundary, a six is awarded instead. (countable)
6. A power forward. (countable)
7. The shell itself. (countable, uncountable) · The team bought a new four last season.
8. The crew rowing in a four boat. (countable, uncountable) · Our four won both races.

Plural fours