PhuketPronunciation: /puːˈkɛt/Definition of Phuket 1an island of Thailand, situated at the head of the Strait of Malacca off the west coast of the Malay Peninsula. 2a port at the south end of Phuket island, a major resort and outlet to the Indian Ocean. Phuket in other Oxford dictionaries Definition of Phuket in the US English dictionary