Valmiki Ramayana Yuddha Kanda Sarga 17 Shloka 2
Original Shlokaतंमेरुशिखराकारंदीप्तामिवशतह्रदाम् । गगनस्थंमहीस्थास्तेददृशुसर्ववानराः ।।6.17.2।।
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महीस्थाः on the ground, सर्ववानराः all Vanaras, मेरुशिखराकारम् like the Mount Meru in form, दीप्ताम् shining, शतह्रदाम् इव: like a brilliant lightning, गगनस्थम् in the sky, तम् him, ददृशुः saw.
All the Vanaras on the ground saw Vibheeshana who was like Mount Meru in form and shining like a brilliant lightning.