You searched for: “socrucide
socrucide, socrucidal
1. The act of killing the mother of one’s spouse.
2. Archaic: the act of killing the father of one’s spouse.
3. Someone who kills the mother of his or her spouse.
4. Etymology: from Latin socrus; originally, "mother- or father-in-law", but it was restricted to "mother-in-law" by classical times.
This entry is located in the following unit: -cide, -cides, -cidal (page 10)