Definitions from Wiktionary ( )

▸ noun:  (countable) The digit or figure 4; an occurrence thereof.
▸ noun:  (countable) Anything measuring four units, as length.
▸ noun:  Four o'clock.
▸ noun:  A person who is four years old.
▸ noun:  (cricket, countable) 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.
▸ noun:  (basketball, countable) A power forward.
▸ noun:  (rowing) Four-man sweep racing shell, with or without a coxswain.
▸ noun:  The shell itself.
▸ noun:  The crew rowing in a four boat.
▸ noun:  (colloquial) A regatta event for four boats.
▸ noun:  (obsolete) A four-pennyworth of spirits.

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