Valmiki Ramayana Sundara Kanda Sarga 45 Shloka 7
Original Shlokaसृजन्तो बाणवृष्टिं ते रथगर्जितनिस्स्वनाः। वृष्टिमन्त इवांभोदा विचेरुर्नैऋताम्बुदाः।।5.45.7।।
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रथगर्जितनिस्वनाः the rattling of the chariots mixed with the roaring of the warriors, ते they, नैऋताम्बुदाः the clouds of demons, बाणवृष्टिम् torrent of arrows, सृजन्तः sent forth, वृष्टिमन्तः thundering, अम्भोदाः इव like the storm clouds, विचेरुः went about.
They went roaring with their chariots rattling, sending forth torrents of arrows like the stormy clouds thundering.