lunatum

noun

lu·​na·​tum

lüˈnātəm

plural lunata

-ātə

1

: lunate sense 1

2

in certain amphibia : a carpal bone probably representing the radiale

Word History

Etymology

New Latin, from Latin, neuter of lunatus lunate

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!