Enfilade
Enfilade (?; 277) , noun
[French, from enfiler to thread, go trough a street or square, rake with shot; pref. en- (Latin in) + fil thread. See File a row.]
1.
A line or straight passage, or the position of that which lies in a straight line. [Rare]
2.
(Military) A firing in the direction of the length of a trench, or a line of parapet or troops, etc.; a raking fire.
Enfilade , transitive verb
(Military) To pierce, scour, or rake with shot in the direction of the length of, as a work, or a line of troops. — Campbell