Tread

a step in walking or running

structural member consisting of the horizontal part of a stair or step

the grooved surface of a pneumatic tire

the part (as of a wheel or shoe) that makes contact with the ground

put down or press the foot, place the foot

crush as if by treading on

mate with

tread or stomp heavily or roughly

apply (the tread) to a tire

brace (an archer's bow) by pressing the foot against the center