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. Comp. Jeremiah 51:12).

Noah Webster's New International Dictionary of the English Language

1. (n.) The act of lying in wait, for the purpose of attacking by surprise.

2. (n.) A concealed station, where troops or enemies lie in wait to attack by surprise.

3. (n.) The troops posted in a concealed place, for attacking by surprise; liers in wait.

4. (v. t.) To station in ambush with a view to surprise an enemy.

5. (v. t.) To attack by ambush; to waylay.