Entry 2 senses Webster, 1913 Parenticide · Pa·ren·ti·cide · IPA /pəˈɹɛn.təˌsaɪd/ 01 n. The act of one who kills one's own parent. 1. The act of one who kills one's own parent.[R.] 2. One who kills one's own parent; a parricide.[R.]