n. A lying in a wood, concealed, for the purpose of attacking an enemy by surprise. Hence: A lying in wait, and concealed in any situation, for a like purpose; a snare laid for an enemy; an ambush.n. A place in which troops lie hid, to attack an enemy unexpectedly.n. The body of troops lying in ambush.v. To post or conceal in ambush; to ambush.v. To lie in wait for, or to attack from a covert or lurking place; to waylay.verb-intransitive. To lie in ambush.