A curved or semicircular line or path along which something (such as projectiles or flames) can be directed or observed

आग या मिसाइल का एक वक्राकार या अर्धवृत्ताकार पथ

English Usage: The soldiers took cover from the enemy's arc of fire.

Hindi Usage: सैनिक दुश्मन के अग्नि-चाप से बचने के लिए आश्रय में चले गए।