(45) باب الْغُسْلِ وَالْوُضُوءِ فِي الْمِخْضَبِ وَالْقَدَحِ وَالْخَشَبِ وَالْحِجَارَةِ
Narrated Abu Musa:
Once the Prophet (ﷺ) asked for a tumbler containing water. He washed his hands and face in it and also threw a mouthful of water in it.
Reference: Sahih al-Bukhari 196
In-book reference: Book 4, Hadith 62
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 4, Hadith 195