DavaoPronunciation: /dɑːˈvɑːəʊ/Definition of Davao a seaport in the southern Philippines, on the island of Mindanao; population 785,700 (est. 2007). Founded in 1849, it is the largest city on the island and the third-largest city in the Philippines. Davao in other Oxford dictionaries Definition of Davao in the US English dictionary