py·lon /ˈpaɪˌlɑn, lən/
 塔門,路標塔


 py·lon /ˈpaɪˌlɑn, lən/ 名詞
 臨時假肢


 Py·lon n.  (a) A low tower, having a truncated pyramidal form, and flanking an ancient Egyptian gateway.
    Massive pylons adorned with obelisks in front.   --J. W. Draper.
 (b) An Egyptian gateway to a large building (with or without flanking towers).
 2. A tower, commonly of steelwork, for supporting either end of a wire, as for a telegraph line, over a long span.
 3.  Aeronautics (a) Formerly, a starting derrick (the use of which is now abandoned) for an aeroplane. (b) A post, tower, or the like, as on an aerodrome, or flying ground, serving to bound or mark a prescribed course of flight.

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 pylon
      n 1: a tower for guiding pilots or marking the turning point in a
           race
      2: a large vertical steel tower supporting high-tension power
         lines; "power pylons are a favorite target for terrorists"
         [syn: power pylon]