oater

[oh-ter] /ˈoʊ tər/

noun, Slang.

a movie, television show, etc., about the frontier days of the U.S. West; western; horse opera.

Origin

1945-50; oat + -er¹

Word Origin and History for oater

Western film, "horse opera," 1946, from oat, as the typical food of horses.

Slang definitions & phrases for oater

n,n phr

Acowboy movie; western; horse opera: horse operas, also known as sagebrushers or oaters/ the deputy marshall in the oateater (1951+ Movie studio)