tostão

noun

tos·​tão

tōs(h)ˈtau̇ⁿ

plural tostãos

: an old Portuguese silver coin equal to 100 reals

called also testone

Word History

Etymology

Portuguese, from Italian testone teston

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!