ce·​re·​us | \ˈsir-ē-əs \
plural cereus also cereuses

Definition of cereus 

: any of various cacti (as of the genus Cereus) of the western U.S. and tropical America

Examples of cereus in a Sentence

Recent Examples on the Web

The results found all types of bacteria, like staphylococcus, streptococcus, bacillus cereus, and E. coli. Danielle Tullo, House Beautiful, "6 Places Germs Are Hiding In Your House," 11 Oct. 2018 Recently plants and their harvests became marketed as dragon fruit and then gardeners began to realize this clinging vine often found in their yards is also called the night-blooming cereus. Tom Maccubbin, OrlandoSentinel.com, "How to make your own summer cutting garden," 1 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cereus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of cereus

1731, in the meaning defined above

History and Etymology for cereus

New Latin, genus name, from Latin, wax candle, from cera wax — more at cerumen

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15 Nov 2018

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The first known use of cereus was in 1731

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to clear from alleged fault or guilt

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