Stirrup (noun)

1. A loop or ring of metal, leather, or other material, attached to the saddle of a horse or other animal, in which a rider places their foot in order to remain seated and balanced while riding.
2. A similar device used for other purposes, such as supporting a microphone or a camera.

Origin:

Old english styrel, from latin sustreputium, from sub- + treputium footrest, from trepied-, trepis footstep.

Examples:

1. He placed his foot in the stirrup before mounting the horse.
2. The stirrup leather was too short for her to comfortably reach the stirrup.
3. The microphone stand had a stirrup to support the microphone.
4. The camera was mounted on a tripod with a stirrup for the operator to hold it steady.
5. The stirrup on the saddle was loose and needed to be tightened.