Musnad Abu Ya'la al-Mawsili 150:309

Surayj ibn Yunus narrated to us, Marwan ibn Mu'awiyah narrated to us, from Abu Abd al-Malik al-Makki, from Ibn Abi Mulaykah, from Aisha: That the Prophet, peace and blessings of Allah be upon him, only meant by "al-usaylah" (the little honey) sexual intercourse.