- a person who kills his or her sister.
- the act of killing one's own sister.
Origin of sororicide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the act of killing one's own sister
- a person who kills his or her sister
C17: from Latin sorōricīda one who murders his sister, from soror sister + caedere to slay
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012