noun
A line or straight passage, or the position of that which lies in a straight line.
Gunfire directed along the length of a target.
(architecture) A series of doors that provide a vista when open.
verb
(transitive) To rake (something) with gunfire.
(figuratively, transitive) To be directed toward (something) like enfilading gunfire.
(architecture, transitive) To arrange (rooms or other structures) in a row.