cavesson/ˈkæv.ə.sən/EtymologyFrom French caveçon, from Italian cavezzone, augmentative of cavezza (“halter”), probably from Latin caput (“head”), although derivation from Germanic has also been suggested; compare Old English cæfl (“bit, muzzle”).cavesson means A part of a horse's bridle that consists of a headstall with a noseband. When a martingale is used, it is attached to the horse's head at the cavesson. Lexicurio rates it Sui generis — a strength score of 88 out of 100.nounA part of a horse's bridle that consists of a headstall with a noseband. When a martingale is used, it is attached to the horse's head at the cavesson.“I’ll be bound, Lady Ashton understands every machine for breaking in the human mind, and there are as many as there are cannon-bit, martingales, and cavessons for young colts.”