bosal/boʊˈsæl/EtymologyFrom Spanish bosal, variant of bozal (“noseband; slave”). (The sense "noseband" is specifically via Mexican Spanish and was originally found in the Southwestern US.) Doublet of bozal and bossale.bosal means A type of noseband used on a horse. Lexicurio rates it Sui generis — a strength score of 88 out of 100.nounA type of noseband used on a horse.