Ambush

1. To lie in wait, for the purpose of attacking by surprise; to lurk.
2. To attack by ambush; to waylay.
3. The troops posted in a concealed place, for attacking by surprise; liers in wait.
4. A concealed station, where troops or enemies lie in wait to attack by surprise.
5. To station in ambush with a view to surprise an enemy.
6. A disposition or arrangement of troops for attacking an enemy unexpectedly from a concealed station. Hence: Unseen peril; a device to entrap; a snare.