[mass noun]the killing of one's brother or sister 杀兄弟(或姐妹) ■[count noun]a person who kills their brother or sister 杀兄弟(或姐妹)的人 ■[mass noun]the accidental killing of one's own forces in war (战争中的)误杀本方人员
语源
late 15th cent. (denoting a person who kills their brother or sister, derived from Latin fratricida): the primary current sense comes via French from late Latin fratricidium, from frater 'brother' + -cidium (see -cide)