The gift given by a husband to a divorced lady for whom Mahr has not been fixed.

Sahih al-Bukhari · Book 68 · Hadith 5350

حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا سُفْيَانُ، عَنْ عَمْرٍو، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عُمَرَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ لِلْمُتَلاَعِنَيْنِ ‏"‏ حِسَابُكُمَا عَلَى اللَّهِ، أَحَدُكُمَا كَاذِبٌ، لاَ سَبِيلَ لَكَ عَلَيْهَا ‏"‏‏.‏ قَالَ يَا رَسُولَ اللَّهِ مَالِي‏.‏ قَالَ ‏"‏ لاَ مَالَ لَكَ، إِنْ كُنْتَ صَدَقْتَ عَلَيْهَا…

Narrated Ibn `Umar: The Prophet (ﷺ) said to those who were involved in a case of Lian, "Your accounts are with Allah. One of you two is a liar. You (husband) have right on her (wife)." The husband said, "My money, O All…