(derogatory) A person with poor judgment or little intelligence. / (historical) A jester; a person whose role was to entertain a sovereign and the court (or lower personages).

To trick; to deceive. / To act in an idiotic manner; to act foolishly. / (archaic) To make a fool of; to make act the fool.

(informal) Foolish.

A unit of area equal to the area of a square whose sides are one foot long.

(uncountable) The sport of rugby: either rugby league or rugby union. / (countable) A rugby ball.

(transitive, idiomatic) To attend to (someone's) every need, to the point of excess.

A game similar to rugby football played on a field of 100 yards long and 53 1/3 yards wide (with two 10 yard-long endzones) in which two teams of 11 players attempt to get an ovoid ball into each other's territory.

(of a person, an action, etc.) Lacking good sense or judgement; unwise. / Resembling or characteristic of a fool.

Alternative form of fool's cap / (strictly) Writing paper sheets measuring 13.25 x 16.5 inches / (more usually) Such a sheet folded or cut in half, thus approximately 8 x 13.25 inches.

(vulgar) Energetic but useless action, or a person engaged in such action.