matricide

/ˈmætrɪsaɪd/
noun
  1. The act of killing one's own mother.
    • The play centers on a son's guilt after committing matricide.
    • Matricide is a rare but deeply disturbing crime.
    • In some cultures, matricide was considered the ultimate betrayal of family.
  2. A person who kills their own mother.
    • The police arrested the matricide after a brief investigation.
    • The documentary interviewed a convicted matricide about his motives.
    • Historians note that few matricides have been recorded in ancient texts.