SB 8.11.23

namuciḥ pañca-daśabhiḥ
 svarṇa-puṅkhair maheṣubhiḥ
āhatya vyanadat saṅkhye
 satoya iva toyadaḥ
Word for word: 
namuciḥ — the demon named Namuci; pañca-daśabhiḥ — with fifteen; svarṇa-puṅkhaiḥ — with golden feathers attached; mahā-iṣubhiḥ — very powerful arrows; āhatya — piercing; vyanadat — resounded; saṅkhye — on the battlefield; sa-toyaḥ — bearing water; iva — like; toya-daḥ — a cloud that delivers rain.
Translation: 
Then Namuci, another demon, attacked Indra and injured him with fifteen very powerful golden-feathered arrows, which roared like a cloud full of water.