Western, horse opera -- (a film about life in the western United States during the period of exploration and development)
western, western sandwich -- (a sandwich made from a western omelet)
Overview of adj western
The adj western has 4 senses
western -- (relating to or characteristic of the western parts of the world or the West as opposed to the eastern or oriental parts; "the Western world"; "Western thought"; "Western thought")
western -- (of or characteristic of regions of the United States west of the Mississippi River; "a Western ranch")
western -- (lying toward or situated in the west; "our company's western office")