ENFILADE

noun a line or straight passage, or the position of that which lies in a straight line.

2. enfilade ·vt to pierce, scour, or rake with shot in the direction of the length of, as a work, or a line of troops.

3. enfilade ·noun a firing in the direction of the length of a trench, or a line of parapet or troops, ·etc.; a raking fire.