Many John Wayne films, informally

• Gabby Hayes films
• "Gunsmoke" et al.
• B westerns
• Horse shows?
• Films featuring chaps in chaps
• Gene Autry pics
• Most of Tom Mix's filmography
• Wayne films, often
• "Laramie" and "Laredo"

Wiktionary Word definitions in Wiktionary
n. (plural of oater English).