[1] : The Collaborative International Dictionary of English v.0.48

escalade \es`calade"\, 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.
   1913 webster
see also:
escaladed escalading 

[2] : The Collaborative International Dictionary of English v.0.48

escalade \es`calade"\, n. f., sp. escalada cf. it. scalata,
   fr. sp. escalar to scale, ll. scalare, fr. l. scala ladder.
   see scale, v. t. mil.
   a furious attack made by troops on a fortified place, in
   which ladders are used to pass a ditch or mount a rampart.
   1913 webster

         sin enters, not by escalade, but by cunning or
         treachery.                               --buckminster.
   1913 webster
see also:
scale 

[3] : WordNet (r) 2.0

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"

Escalade >> E Words
Escalade, definition of term: Escalade
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