Escalade
Escalade , noun
[French, Sp. escalada (compare Italian scalata), from Sp. escalar to scale, Late Latin scalare, from Latin scala ladder. See Scale, transitive verb]
(Military) 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.
Escalade , transitive verb
(Military) To mount and pass or enter by means of ladders; to scale; as, to escalate a wall.