penates Syllabification: (pe·na·tes)Pronunciation: /pəˈnātēz, -ˈnä-/Definition of penates noun Roman History household gods worshiped in conjunction with Vesta and the lares by the ancient Romans. Origin:Latin, from penus 'provision of food'; related to penes 'within'penates in other Oxford dictionaries Definition of penates in the British & World English dictionary