noun

1. A film, or some other dramatic work, set in, the historic (c. 1850-1910) American West (west of the Mississippi river) focusing on conflict between whites and Indians, lawmen and outlaws, ranchers and farmers, or industry (railroads, mining) and agriculture.

Synonyms: horse opera, oater

adjective

1. Of, facing, situated in, or related to the west.

   “the western approaches”

2. (of a wind) Blowing from the west; westerly.

3. Occidental.