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.