oater

[oh-ter]

noun Slang.

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

Origin of oater

First recorded in 1945–50; oat + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for oater

western

Word Origin and History for oater
n.

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

Online Etymology Dictionary, © 2010 Douglas Harper