blood money
noun [ U ] uk/ˈblʌd ˌmʌn.i/ us/ˈblʌd ˌmʌn.i/
disapproving（付给被害者家属的）补偿金
money paid to the family of a murdered person
（付给受雇杀人者的）酬金；（付给告发杀人者的）奖金
money paid to someone for killing someone else, or for giving information about a person who has killed someone