Tread



GRE Barron TOEFL

解释

GRE 红宝书

• v. 踩踏n. 步履; 车轮胎面
• ［英］ v. 踩踏 ( put one's foot when walking) ;
• ［例］ walk with a heavy tread

Webster Collegiate

I. verb (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
• transitive verb
  • 1.
    • 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

---