old-man cactus

noun

Definition of old-man cactus

: a Mexican cactus (Cephalocereus senilis) having its joints crowned by drooping white hairs

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“Old-man cactus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/old-man%20cactus. Accessed 1 Dec. 2020.

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