ma·​ca·​co | \ məˈkä(ˌ)kō \
plural -s

Definition of macaco

1 : any of various Old World monkeys or lemurs or New World monkeys
2 obsolete : macaque

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!

History and Etymology for macaco

Portuguese, from a native word in Africa

Keep scrolling for more

Learn More about macaco

Statistics for macaco

Cite this Entry

“Macaco.” Dictionary, Merriam-Webster, Accessed 28 Feb. 2020.

More from Merriam-Webster on macaco

Spanish Central: Translation of macaco

Nglish: Translation of macaco for Spanish Speakers

Comments on macaco

What made you want to look up macaco? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

February 2020 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of probity?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!