[ad. late L. sorōricīdium, f. soror + -cīdĕre: see -CIDE 2. Cf. F. sororicide.] The action of killing one’s sister.
1727. Bailey (vol. II.), Sororicide, the Killing of a Sister.
1875. J. Hunter, Man. Bee-keeping (1876), 115. The Workers prevent this sororicide by setting a guard over the unhatched Queens.
1889. East. Morn. News, 10 April, 3/2. Supposed shocking sororicide.
Hence Sororicidal a.
1878. Fr. A. Kemble, Rec. Girlhood, I. iii. 70. A quite unpremeditated inspiration…—to run away—probably alarmed my parents more than my sororicidal projects.
