Valmiki Ramayana Yuddha Kanda Sarga 97 Shloka 11
Original Shlokaराक्षसानामनीकेषुशैलवर्षंववर्ष ह । अश्मवर्षंयथामेघःपक्षिसङ्घेषुकानने ।।6.97.11।।
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मेघः clouds, कानने in the forest, पक्षिसङ्घेषु flocks of birds, अश्मवर्षंयथा hail stones, राक्षसानाम् on Rakshasas, अनीकेषुon Rakshasas, शैलवर्षम् shower of rocks, ववर्ष rained
Just as clouds shower hail stones on flocks of birds in the forest, Sugriva rained showers of rocks on the Rakshasas.