line of battle

nouns

a line formed by troops or ships prepared to deliver or receive an attack
line of battle
domain category
the military forces of a nation
"their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker"
armed forces, armed services, military, military machine, war machine
is a type of (narrower)
a fortified position (especially one marking the most forward position of troops)
"they attacked the enemy's line"
line