Meanings
nounbirthday cake cactus (plural birthday cake cacti)
plural birthday cake cacti
- Any of various cacti of the genus Mammillaria.
Origin
From its appearance.
Full word history & related roots →Cite this entry
APA
birthday cake cactus. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/birthday%20cake%20cactus
MLA
“birthday cake cactus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/birthday%20cake%20cactus. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “birthday cake cactus,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/birthday%20cake%20cactus.
Source: birthday cake cactus on Wiktionary, CC BY-SA 4.0.