noun
battery (artillery, cameras, etc.); barrage
Refers to a line or group of artillery pieces or cameras arranged for firing/shooting. Often used in military or photographic contexts.
敵の放列が一斉に火を噴いた。
The enemy battery opened fire all at once.
報道陣のカメラの放列が選手を捉えた。
A battery of press cameras captured the athlete.
Compound of 放 (release, fire) and 列 (row, line). The spelling 砲列 uses 砲 (cannon) to emphasize artillery.