(nautical) The process of swinging and compensating a ship or aircraft compass by determining and reducing the deviation coefficients and recording the residual deviations; now done by computer.

(US politics) A state which may vote Democratic or Republican, in a given election or generally.

Proceeding fully, quickly, or completely; thoroughly begun and in progress.

(cricket) Sideways movement of the old ball through the air in the opposite direction to normal swing.

(of a bowler) To make the ball so behave. / (of the ball) To swing in this manner.

(baseball) A ball that travels a short distance as if it were bunted, but was produced by a full or checked swing.

(baseball) A swing in which a batter starts to swing for a ball but stops the swing shortly before the ball reaches home plate.

A style of jazz, meshing string bands with other instrumentation - especially drums, saxophones, pianos and the steel guitar - that evolved into a subgenre of country music during the early 1940s.

The imagined leader of the Swing riots in rural England in 1830.

(historical) Any of the agricultural riots in England in 1830, led by Captain Swing.