also: ウェスタン
Refers to the genre of movies set in the American Old West. Often used in compounds like ウエスタン映画.
See also: 西部劇
He loves old Western movies.
country and western music
Refers to the music genre, often abbreviated as C&W. Less common than the film sense.
They play country and western music at that bar every night.
I watched an old Western over the weekend.
He often listens to country and western music while driving.