Definition of parenticide in US English:

parenticide

noun

rare
  • A person who murders one or both of his or her parents (or, in early use, any relative).

noun

rare
  • The murder of a parent.

Origin

Mid 17th century; earliest use found in Thomas Blount (1618–1679), antiquary and lexicographer. From parent + -icide, probably in quot. 1656 after classical Latin parenticīda (in an isolated attestation in Plautus)<br>mid 17th century; earliest use found in Edward Phillips (b. 1630), writer and biographer. From parent + -icide. Compare post-classical Latin parenticidium.

Pronunciation

parenticide

/pəˈrɛntɪsʌɪd/