Escalade /(?)/

1. A furious attack made by troops on a fortified place, in which ladders are used to pass a ditch or mount a rampart. (Mil.)

   Sin enters, not by escalade, but by cunning or treachery.

imp. & p. p. Escaladed; p. pr. & vb. n. Escalading

1. To mount and pass or enter by means of ladders; to scale; as, to escalate a wall. (Mil.)