Enfilade

Part of speech: noun (n.)

1. A line or straight passage, or the position of that which lies in a straight line. [R.]

2. A firing in the direction of the length of a trench, or a line of parapet or troops, etc.; a raking fire.

Part of speech: verb (v.)

To pierce, scour, or rake with shot in the direction of the length of, as a work, or a line of troops. Campbell.