Sahih Muslim Book - 54, Hadith - 7536

حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِى شَيْبَةَ حَدَّثَنَا عَبْدَةُ بْنُ سُلَيْمَانَ عَنْ هِشَامٍ عَنْ أَبِيهِ عَنْ عَائِشَةَ فِى قَوْلِهِ عَزَّ وَجَلَّ (إِذْ جَاءُوكُمْ مِنْ فَوْقِكُمْ وَمِنْ أَسْفَلَ مِنْكُمْ وَإِذْ زَاغَتِ الأَبْصَارُ وَبَلَغَتِ الْقُلُوبُ الْحَنَاجِرَ) قَالَتْ كَانَ ذَلِكَ يَوْمَ الْخَنْدَقِ.

It was narrated from 'Aishah concerning the Verse, "When they came upon you from above you and from below you, and when the eyes grew wild and the hearts reached to the throats..." that she said: "That was the day of (the battle of) Al-Khandaq.''