shoe
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an outer covering for the human foot, made of leather, canvas, etc. and usually having a stiff or thick sole and a heel: sometimes restricted to footwear that does not cover the ankle, as distinguished from a boot
horseshoe
something like a shoe in shape or use; specif.,
a metal cap or ferrule fitted over the end of a cane, pole, staff, etc.
brake shoe
a part forming a base for the supports of a superstructure, as of a roof or bridge