Meurtrier de son frère ou de sa soeur.
Of or pertaining to fratricide; of the nature of fratricide.
ETYM Latin fratricidium a brother's murder, from fratricida a brother's murderer; frater, fratris, brother + caedere to kill: cf. French fratricide.
1. A person who murders their brother or sister.
2. The act of murdering one's own brother or sister.
3. Killing or killer of brother or sister.