bouillon blanc

noun

bouil·​lon blanc

büyōⁿbläⁿ

: mullein

Word History

Etymology

French, from Middle French, from (assumed) Middle French bouillon mullein (modification—influenced by Middle French bouillon broth—of Late Latin bugillon-, bugillo, a plant, probably of Celtic origin and akin to Old Irish buge, a plant with a blue flower) + Middle French blanc white

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!