(trod; also treaded; trodden or trod; treading)
Etymology: Middle English treden, from Old English tredan; akin to Old High German tretan to tread
Date: before 12th century
a. to step or walk on or over
b. to walk or proceed along ; follow <treading a fine line between tradition and innovation> 2. a. to beat or press with the feet ; trample b. to subdue or repress as if by trampling ; crush 3. to copulate with — used of a male bird 4. a. to form by treading ; beat <tread a path> b. to execute by stepping or dancing <tread a measure> intransitive verb 1. to move or proceed on or as if on foot <must tread lightly> 2. a. to set foot <has gone where others fear to tread> b. to put one's foot ; step <carelessly treading on the flowers> 3. copulate • treader noun II. noun Date: 13th century 1. a mark (as a footprint or the imprint of a tire) made by or as if by treading 2. a. (1) the action of treading (2) an act or instance of treading ; step b. manner of stepping c. the sound of treading 3. a. the part of a shoe or boot sole that touches the ground; also the pattern on the bottom of a sole b. (1) the part of a wheel or tire that makes contact with a road or rail (2) the pattern of ridges or grooves made or cut in the face of a tire 4. the distance between the points of contact with the ground of the two front wheels or the two rear wheels of a vehicle 5. a. the upper horizontal part of a step b. the width of such a tread • treadless adjective
New Collegiate Dictionary. 2001.