Zanthorhiza

noun

Zan·​tho·​rhi·​za

ˌzan(t)thəˈrīzə

: a small genus of North American low shrubby plants (family Berberidaceae) with purplish brown flowers and very bitter yellow roots

Word History

Etymology

New Latin, irregular from xanth- + -rhiza

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!