godan verb (-su), transitive verb
Rare term for firing a gun or shooting an arrow. More common synonyms include 撃つ (うつ) or 放つ (はなつ).
彼は的に向かって矢を打ち放した。
He shot an arrow at the target.
Compound of 打ち (uchi, 'striking') and 放す (hanasu, 'to release'). The reading ぶちはなす is a euphonically voiced variant.