Surah Al-'Adiyat 100:3
فَٱلْمُغِيرَٰتِ صُبْحًا
And the chargers at dawn,
Translation: Saheeh International
Tafsir
by the dawn-raiders the steeds that make raids against the enemy at dawn at the hands of their riders
Excerpt from Tafsir al-Jalalayn, commentary on 100:3, via Quran.com. The reader has the full commentary and 9 more tafsirs.