1 [in singular] a person’s manner of walking or the sound made as they walk:I heard the heavy tread of Dad’s boots 2 (also tread board) the top surface of a step or stair. 3the thick moulded part of a vehicle tyre that grips the road. the part of a wheel that touches the ground or a rail. the upper surface of a railway track, in contact with the wheels.
4the part of the sole of a shoe that rests on the ground.
walk in a specified way:Rosa trod as lightly as she could figurativethe government had to tread carefully so as not to offend the judiciary
) chiefly British set one’s foot down on top of: the youth stumbled and trod on Harry’s shoe
[with object] walk on or along:shoppers will soon be treading the floors of the new shopping mall [with object and adverbial] press down or crush with the feet:food had been trodden into the carpet