biauriculate

adjective

bi·​au·​ric·​u·​late

¦bī-ȯ-¦ri-kyə-lət

: having two auricles

—used especially of the heart of mammals, birds, and reptiles

Word History

Etymology

bi- entry 1 + auriculate

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!