The noun "ambush" means
(1) the act of attacking an enemy unexpectedly from a concealed station;
(2) a concealed station, where troops or enemies lie in wait to attack by surprise, an ambuscade;
(3) troops posted in a concealed place for attacking by surprise. The verb "ambush" means to lie' in wait, to surprise, to place in ambush. Dale County v. Gunter, 46 Ala. 142.