Varuna Syllabification: (Var·u·na)Pronunciation: /ˈvəro͝onə, ˈvär-/ HinduismDefinition of Varuna one of the gods in the Rig Veda. Originally the sovereign lord of the universe and guardian of cosmic law, he is known in later Hinduism as god of the waters. Varuna in other Oxford dictionaries Definition of Varuna in the British & World English dictionary