To lie in wait for an unexpected attack.

c. 1300, from Old French embuscher (13c., Modern French embûcher) "to lay an ambush," from en- "in" + busch "wood," apparently from Frankish *busk "bush, woods" [..]

late 15c., embushe, from the English verb or from Middle French embusche, from Old French embuscher (see ambush (v.)). Earlier was ambushment (late 14c.). Figurative use by 1590s.

Ambush [N]Joshua at the capture of Ai lay in ambush, and so deceived the inhabitants that he gained an easy victory ( Joshua 8:4-26 ). Shechem was taken in this manner ( Judges 9:30-45 . Compare Jerem [..]

to attack suddenly and by surprise.

the act of concealing yourself and lying in wait to attack by surprise wait in hiding to attack still-hunt: hunt (quarry) by stalking and ambushing An ambush is a long-established military tactic, in [..]

n. The act or state of lying concealed for the purpose of surprising or attacking the enemy.

Hiding so as to attack without warnin’.

Attempt to kill from cover without warning, planned or done quickly

Joshua at the capture of Ai lay in ambush, and so deceived the inhabitants that he gained an easy victory (Josh. 8:4-26). Shechem was taken in this manner (Judg. 9:30-45. Comp. Jer. 51:12).

iberfaln

To dream that your are atacked[sic] from ambush, denotes that you have lurking secretly near you a danger, which will soon set upon and overthrow you if you are heedless of warnings. If you lie in ambush to revenge yourself on others, you will unhesitatingly stoop to debasing actions to defraud your friends.   

(v) wait in hiding to attack(n) the act of concealing yourself and lying in wait to attack by surprise(v) hunt (quarry) by stalking and ambushing

A method of attack. The attacker hides from its prey until the prey gets close enough to attack, surprising the prey. Tigers, pythons, and rattlesnakes are examples of ambush hunters.

<programming language> A language for linear programming problems in a materials processing and transportation network. ["AMBUSH - An Advanced Model Builder for Linear Programming", T.R. White et al, National Petroleum Refiners Assoc Comp Conf (Nov 1971)]. (01 Mar 1995)

1. To station in ambush with a view to surprise an enemy. "By ambushed men behind their temple ai, We have the king of Mexico betrayed." (Dryden) 2. To attack by ambush; to waylay. Origin: OE. Enbussen, enbushen, OF. Embushier, embuissier, F. Embucher, embusquer, fr. LL. Imboscare; in + LL. Boscus, buscus, a wood; akin to G. Bush, E. Bush [..]

See Nuisance Suit