Added 8 October 2026 horsebreaking noun noun ! Definition from Wiktionary (CC BY-SA). More about horsebreaking at Wordnik → Where our words come from → The training, or breaking in, of horses. Origin From horse + breaking. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: horse-breakerhorse-whisperingbrakebridlingdressagehorsingbreakerbreakbreechinghorsecraft Back to today's word