am·bus·cade 
(ămbə-skād′, ăm′bə-skād)
(ămbə-skād′, ăm′bə-skād)n.
An ambush.
tr.v. am·bus·cad·ed, am·bus·cad·ing, am·bus·cades
To attack suddenly and without warning from a concealed place; ambush.
[French embuscade (from Old French embuschier, to ambush) and Old Italian imboscata (from feminine past participle of imboscare, to ambush), both from Frankish *boscu, bush, woods.]