Gunfire directed along the length rather than the breadth of a formation(noun)
WordNet. Princeton University. 2010.
Use "enfilade fire" in a sentence
"They had towed up a number of those heavy, two-wheeled machine guns; after a few minutes whistles began to blow and the horsemen faded away; the machine gunners started blasting us at very close ranges with enfilade fire ... soon tents and lorries were ablaze and through it the screams of wounded men caught in the flames ..."
"Hidden by long grass, the Ansar worked around the square, their enfilade fire hitting the defenseless soldiers."