Valmiki Ramayana Yuddha Kanda Sarga 67 Shloka 104

अत then, मारुतः wind, सन्ध्याभ्रमिव evening cloud covers, अस्य his, शुभ्रम् glittering, जाम्भूनदमयम् golden, शुभम् charming, कवचम् shield, शरैः with arrows, प्रच्छादयामास covered.

Then he covered Kumbhakarna's glittering golden shield with arrows just as the evening wind covered the cloud.