Definition of oater noun from the Oxford Advanced Learner's Dictionary

 

oater

 noun
noun
BrE BrE//ˈəʊtə(r)//
 
; NAmE NAmE//ˈoʊtər//
 
(North American English, informal)
 
jump to other results
a film/movie about life in the western US in the 19th century Word Origin 1950s: from oat, with reference to horse feed.
See the Oxford Advanced American Dictionary entry: oater