overcup oak

noun

: any of several oaks (as the bur oak) having the acorn deeply immersed in the cup

especially : a timber tree (Quercus lyrata) of the southern U.S. that has pale scaly bark and lyrate leaves

Word History

Etymology

overcup from over entry 3 + cup, noun

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!