ESCALADE
Source: 566, 567
escalade. Escalade, n. the act of scaling the walls of a place
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Es′ca‐lade″ (?), 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. Sin enters, not by escalade, but by cunning or treachery. Buckminster.