Available Definitions:
1) v. t. - A disposition or arrangement of troops for attacking an enemy unexpectedly from a concealed station. Hence: Unseen peril; a device to entrap; a snare.
2) v. t. - A concealed station, where troops or enemies lie in wait to attack by surprise.
3) v. t. - 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.
6) v. i. - To lie in wait, for the purpose of attacking by surprise; to lurk.