noun, noun or participle which takes 'suru', transitive verb
close attack; pressing attack
Military term for attacking while closing in on the enemy; often used in compound words like 迫撃砲 (mortar).
敵陣に迫撃をかける。
Launch a close attack on the enemy position.
部隊は夜明けとともに迫撃した。
The unit pressed the attack at dawn.
Compound of 迫 (press, approach) and 撃 (attack, strike). The exact historical derivation is uncertain, but the kanji combination directly conveys the meaning of a pressing attack.