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Definition of echinocactus
echinocactus
/ɪˌkaɪ.noʊˈkæk.təs/
e · chi · no · cac · tus
Plural:echinocacti
echinocactus Lexical Profile
CEFR
C2
Grade
13
Tier
3
Usage
Rare
• noun
1
Any barrel cactus of the genus Echinocactus in the family Cactaceae, native to the deserts of the southwestern United States and Mexico, characterized by a heavily ribbed, globular to cylindrical stem armed with dense spines and producing showy yellow, pink, or magenta funnel-shaped flowers at the woolly crown.
Synonyms
View all synonyms for echinocactus• Rhymes for echinocactus
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Echinocactus. In Wordmom Dictionary. Retrieved Oct 18, 2026, from https://wordmom.com/dictionary/echinocactus