game equipment consisting of an open ring of iron used in playing horseshoes
"The umpire inspected the two metal horseshoes to ensure they were properly weighted before the match began."
The U-shaped shoe of a horse, now typically made of metal; by extension, a representation of this used to play the game horseshoes, hung as a luck charm, etc.
"After years of neglect, we finally replaced the old wooden stirrups with new metal horseshoes for our aging mare."
equip (a horse) with a horseshoe or horseshoes
"The farrier carefully cleans the hoof before he hammers on the new iron to shoe the mare's front legs."
To apply horseshoes to (a horse).
"The blacksmith spent the afternoon applying horseshoes to each of the farm's draft horses before they left for the fields."