plural of four oh four

having four doors

Alternative spelling of foursquare

(soccer) The set of four defenders in a team.

(China, politics) A leftist political faction composed of four Chinese Communist Party officials that came to prominence during the Chinese Cultural Revolution.

A four-poster bed, which has four high posts, one at each corner, supporting a canopy.

(attributive, of a bed) Having four vertical columns, one in each corner, that support a tester, so that curtains can be hung to exclude draughts from the sleeper.

(physics) A four-vector that describes the change in a particle's four-momentum over time.

4000

(nautical) A boat, used in competitive rowing, having four rowers, each with a single oar / (rowing, especially in plural) A race in which such craft participate