har·​mon·​i·​chord | \härˈmänəˌkȯrd\
plural harmonichords

Definition of harmonichord 

: a 19th-century keyboard instrument in which the strings' tones can be sustained and swelled by means of a rotating cylinder that transfers its vibrations to the strings by means of a rod

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!

First Known Use of harmonichord

1835, in the meaning defined above

History and Etymology for harmonichord

French harmonicorde, from harmonie harmony (from Old French armonie) + -corde -chord

Keep scrolling for more

Learn More about harmonichord

Share harmonichord

Statistics for harmonichord

Look-up Popularity

Time Traveler for harmonichord

The first known use of harmonichord was in 1835

See more words from the same year

Comments on harmonichord

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


to make faulty or ineffective

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
True or False

Test your knowledge - and maybe learn something along the way.

Dictionary Devil

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!