a southern Asian tree, Michelia champaca, of the magnolia family, having fragrant yellow or orange flowers and yielding an oil (champaca oil) used in perfumes.
cham·pak also cham·pac (chām'pāk, chŭm'pŭk) 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.]