hedgehog cactus

noun

: any of several cacti with stout sharp spines: such as

a

: a cactus of the genus Echinocactus

b

or hedgehog cereus : a cactus of the genus Echinocereus

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now