fratricide /ˈfrætrəˌsaɪd/ noun plural fratricides
plural fratricides
Learner's definition of FRATRICIDE
[count]
: the crime of murdering your own brother or sister
also : a person who has committed this crime杀害兄弟（姐妹）罪；手足相残者；杀害兄弟（姐妹）者 — compare matricide, patricide — fratricidal
/ˌfrætrəˈsaɪdl̟/ adjective