conjugicide means the act of killing one's spouse with the intention of then marrying someone else (sometimes taken to also include the act of killing another person's spouse with the intention of then marrying that person).
Etymology
From conjug(al) + -icide.
noun
- The act of killing one's spouse with the intention of then marrying someone else (sometimes taken to also include the act of killing another person's spouse with the intention of then marrying that person).“For quotations using this term, see Citations:conjugicide.”