(9) باب اغْتِسَالِ الرَّجُلِ وَالْمَرْأَةِ مِنْ نِسَائِهِ مِنْ إِنَاءٍ وَاحِدٍ
It was narrated that 'Aishah said:
"I remember competing over the vessel [1] with the Messenger of Allah (ﷺ), when he and I were performing Ghusl from it."[1] See the following narration and no. 240.
Reference: Sunan an-Nasa'i 413
In-book reference: Book 4, Hadith 18
English translation: Vol. 1, Book 4, Hadith 413