echinocactus

noun echi·no·cactus

Definition of echinocactus

1 capitalized :a large genus of globular or cylindrical strongly ribbed and usually very spiny cacti that occur from the southwestern U.S. in Brazil
2 :any plant of the genus Echinocactus

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Origin and Etymology of echinocactus

New Latin, from echin- + Cactus


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