to set the foot; to step.-to walk or go; especially, to walk with a stately or a cautious step.-to copulate; said of birds, esp. the males.-to step or walk on.-to beat or press with the feet; as, to tread a path; to tread land when too light; a well-trodden path.-to go through or accomplish by walking, dancing, or the like.-to crush under the foot; to trample in contempt or hatred; to subdue.-to copulate with; to feather; to cover; -- said of the male bird.-a step or stepping; pressure with the foot; a footstep; as, a nimble tread; a cautious tread.-manner or style of stepping; action; gait; as, the horse has a good tread.-way; track; path.-the act of copulation in birds.-the upper horizontal part of a step, on which the foot is placed.-the top of the banquette, on which soldiers stand to fire over the parapet.-the part of a wheel that bears upon the road or rail.-the part of a rail upon which car wheels bear.-the chalaza of a bird's egg; the treadle.-a bruise or abrasion produced on the foot or ankle of a horse that interferes. see interfere, 3.