(61) باب تَفْسِيرِ الشِّغَارِ .
It was narrated that Abu Hurairah said:
"The Messenger of Allah forbade Ash-Shighar." (One of the narrators) 'Ubaidullah said: "Ash-Shighar means when a man gives his daughter in marriage on condition that (the other man) gives him his sister in marriage."
Reference: Sunan an-Nasa'i 3338
In-book reference: Book 26, Hadith 143
English translation: Vol. 4, Book 26, Hadith 3340