[f. as prec. + -ER1.] One who lies in ambush, a lier in wait to surprise a foe.
1775. Adair, Amer. Ind., 258. The most artful ambuscaders, and wolfish savages, in America.
1825. Millar, Times Telescope, 118. The corselet-armed ambuscaders [i.e., beetles] have perpetrated the mischief complained of.