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Cephalocereus

noun
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Ceph·​a·​lo·​cereus

Definition of Cephalocereus

: a large genus of tropical American cacti (family Cactaceae) having usually columnar erect stems topped with white wool, no leaves, and showy nocturnal flowers and including the old-man cactus

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History and Etymology for Cephalocereus

New Latin, from cephal- + Cereus

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Cite this Entry

“Cephalocereus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Cephalocereus. Accessed 26 Jan. 2021.

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