surcingle (plural surcingles)
- A long unpadded strap to pass over and keep in place a blanket, pack or saddle on an animal.
- A piece of tack wrapped around the belly of a horse, to use when longeing.
- A girdle to fasten a garment, especially a cassock.
- (piece of tack): roller (UK, Australia, New Zealand)
- (transitive) To fasten with a surcingle.