zig·zag /ˈzɪgˌzæg/
  (a.)曲折的,鋸齒形的;曲折, Z字形 ;(ad.)曲折地,成鋸齒形地(vt.)使成之字形
  zigzag
  鋸齒形的; 曲形的
  Zig·zag n.
  1. Something that has short turns or angles.
     The fanatics going straight forward and openly, the politicians by the surer mode of zigzag.   --Burke.
  2. Arch. A molding running in a zigzag line; a chevron, or series of chevrons.  See Illust. of Chevron, 3.
  3. Fort. See Boyau.
  Zig·zag a. Having short, sharp turns; running this way and that in an onward course.
  Zig·zag, v. t. [imp. & p. p. Zigzagged p. pr. & vb. n. Zigzagging.] To form with short turns.
  Zig·zag, v. i. To move in a zigzag manner; also, to have a zigzag shape.
  ◄ ►
  zigzag
       adj : having short sharp turns or angles
       n : an angular shape characterized by sharp turns in alternating
           directions [syn: zig, zag]
       adv : in a zigzag course or on a zigzag path; "birds flew zigzag
             across the blue sky"
       v : travel along a zigzag path; "The river zigzags through the
           countryside" [syn: crank]
       [also: zigzagging, zigzagged]