noun \ˈsir-ē-əs\

Definition of CEREUS

:  any of various cacti (as of the genus Cereus) of the western United States and tropical America

Origin of CEREUS

New Latin, genus name, from Latin, wax candle, from cera wax — more at cerumen
First Known Use: 1730

Rhymes with CEREUS


noun    (Concise Encyclopedia)

Any of various large cacti (genus Cereus and related genera) of the western U.S. and tropical New World, including the saguaro and the organ-pipe cactus (Lemairocereus thurberi, also L. marginatus or C. thurberi). The genus Selenicereus (night-blooming cereus, or moon cactus), containing about 20 species, is known for its large, usually fragrant, night-blooming white flowers, among the largest in the cactus family. The queen-of-the–night (S. grandiflorus), the best-known night-blooming cereus, is often grown indoors.


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