cham·pak also cham·pac 
(chămpăk, chŭmpŭk) or cham·pa·ca (chămpə-kə, chŭm-)
(chămpăk, chŭmpŭk) or cham·pa·ca (chămpə-kə, chŭm-)n.
An evergreen timber tree (Michelia champaca) native to India and having fragrant orange-yellow flowers that yield an oil used in perfumery.
[Hindi campak, from Sanskrit campakaḥ, of Dravidian origin; akin to Tamil caṇpakam.]