parricide

PAR'RICIDE, n. [L. paricida, from pater, father, and coedo, to kill.]

1. A person who murders his father or mother.

2. One who murders an ancestor, or any one to whom he owes reverence. Blackstone applies the word to one who kills his child.

3. The murder of a parent or one to whom reverence is due.

4. One who invades or destroys any to whom he owes particular reverence, as his country or patron.