champakPronunciation: /ˈtʃʌmpək, ˈtʃam-/ (also chempaka)Definition of champak noun an Asian evergreen tree of the magnolia family, which bears fragrant orange flowers and is sacred to Hindus and Buddhists. Michelia champaca, family Magnoliaceae Origin:from Sanskrit campakachampak in other Oxford dictionaries Definition of champak in the US English dictionary