The term 'cayuse' is a term used to refer to a small HORSE, usually of Native American origin. The crossword solutions for this term are 'HORSE' (5 letters), 'PINTO' (5 letters), 'REIN' (4 letters), 'roped' (5 letters), and 'hoss' (4 letters). HORSE is the most general term for the animal, while PINTO refers to a type of HORSE with a spotted coat. REIN and roped are both terms used to refer to the equipment used to control a HORSE, while hoss is a slang term for HORSE.