Answer:
1. each of a pair of devices attached to each side of a horse's saddle, in the form of a loop with a flat base to support the rider's foot.
2. a pair of metal supports in which a woman's heels may be placed during gynecological examinations and childbirth, to hold her legs in a position that will facilitate medical examination or intervention
3. another term for stapes.
4. short for stirrup pants.