Dictionary.com
Thesaurus.com

cereus

American  
[seer-ee-uhs] / ˈsɪər i əs /

noun

cereuses plural
  1. any of various plants of the genus Cereus, of the cactus family, having large, usually white, funnel-shaped flowers.

  2. any of several related, similar plants, especially of the genera Hylocereus, Nyctocereus, and Selenicereus.


cereus British  
/ ˈsɪərɪəs /

noun

  1. any tropical American cactus of the genus Cereus, esp C. jamacaru of N Brazil, which grows to a height of 13 metres (40 feet)

  2. any of several similar and related cacti, such as the night-blooming cereus

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Inflected Forms

noun

Etymology

Origin of cereus

1720–30; < New Latin, Latin cēreus wax candle, noun use of cēreus cereous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Testing for bacteria of the Bacillus cereus family is routinely offered," Francois Vigneau of lab testing firm Eurofins said last week.

From Barron's • Jan. 31, 2026

Dr Morris also highlighted that Bacillus cereus is resistant to some cleaning methods and that sporicides - disinfectants that kill microbial spores - can be required to achieve decontamination.

From BBC • Nov. 19, 2024

“B. cereus loves to grow in the warm and moist environment provided by cooked rice,” said Si Ming Man, a professor in the division of immunology and infectious diseases at the Australian National University.

From New York Times • Jun. 17, 2024

In experiments using Bacillus cereus bacteria as a model, researchers observed the activity of the complex in the presence of phages to gain insight into how the defense system works.

From Science Daily • Apr. 26, 2024

Cereus macdonaldiæ.—A night-blooming cereus, and one of the most beautiful.

From Catalogue of Economic Plants in the Collection of the U. S. Department of Agriculture by Saunders, William

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "cereus" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com