n. [ L. fratricidium a brother's murder, fr. fratricida a brother's murderer; frater, fratris, brother + caedere to kill: cf. F. fratricide. ] 1. The act of one who murders or kills his own brother. [ 1913 Webster ]
2. [ L. fratricida: cf. F. fratricide. ] One who murders or kills his own brother. [ 1913 Webster ]