Ambush - (Webster's 1828 Dictionary)
1. A private or concealed station, where troops lie in wait to attack their enemy by surprise.
2. The state of lying concealed, for the purpose of attacking by surprise; a lying in wait.
3. The troops posted in a concealed place for attacking by surprise.
Lay thee an ambush for the city. Josh 8.
AM'BUSH, v.t. To lie in wait for; to surprise, by assailing unexpectedly from a concealed place.
AM'BUSH, v.i. To lie in wait, for the purpose of attacking by surprise.
Nor saw the snake, that ambushed for his prey.