DICT.TW Dictionary Taiwan

 es·ca·lade /ˈɛskəˌled, ˌlɑd/
 用梯攀登城壁,攀登(vt.)以梯子攀登

 Es·ca·lade n.  Mil. A furious attack made by troops on a fortified place, in which ladders are used to pass a ditch or mount a rampart.
    Sin enters, not by escalade, but by cunning or treachery.   --Buckminster.

 Es·ca·lade, v. t. [imp. & p. p. Escaladed; p. pr. & vb. n. Escalading.] Mil. To mount and pass or enter by means of ladders; to scale; as, to escalate a wall.
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 escalade
      n : an act of scaling by the use of ladders (especially the
          walls of a fortification)
      v : climb up and over; "They had to escalade canyons to reach
          their destination"