(In both the 12-hour clock and the 24-hour clock) The start of the ninth hour of the day; 8:00 a.m. (08:00).

(bodybuilding) An exceptionally well-developed set of abdominal muscles in which eight distinct portions of muscle are visible.

The cardinal number occurring after seven hundred ninety-nine and before eight hundred one, represented in Arabic numerals as 800.

(historical) The peso, a silver coin that was minted in Spain and its colonies from the end of 15th century, equal to eight reales (hence the name).

(uncountable) A pocket billiards (pool) game played with sixteen balls (a cue ball and fifteen object balls) on a pool table with six pockets.

(pool) To pot all one's colour balls and then the black ball (or eight-ball) without the opponent potting a single one.

(rugby) A player in the scrum, who controls the movement of the scrum, and can pick up the ball exiting the scrum; eighthman. / (cricket) The batsman who bats eighth.

Ba Duan Jin, a Chinese exercise.

(colloquial) One or more servings too many of alcohol, leading to drunkenness; one too many.

a clock that only needs to be wound once every week.