Stirrups

noun

1. A ring or hoop suspended by a rope or strap from the saddle, for a horseman's foot while mounting or riding.
2. (by extension) Any piece shaped like the stirrup of a saddle, used as a support, clamp, etc.
3. A stapes.
4. A rope secured to a yard, with a thimble in its lower end for supporting a footrope.