Dictionary
Thesaurus
Medical
Scrabble®
Spanish Central
Browse DictionaryBrowse Thesaurus
Get our free apps!iPhone•iPad•Android
Games
Word of the Day
Video
Blog: Words at Play
My Faves
Medical Dictionary

bark

noun \ˈbärk\

Medical Definition of BARK

1
:  the tough exterior covering of a woody root or stem
2
:  cinchona 3

Learn More About

Browse

14 ENTRIES FOUND:
  1. bark (noun)
  2. angostura bark (noun)
  3. calisaya bark (noun)
  4. cassia bark (noun)
  5. chittam bark (noun)
  6. cinnamon-bark oil (noun)
  7. Honduras bark (noun)
  8. Jesuits' bark (noun)
  9. loxa bark (noun)
  10. pale bark (noun)
  11. Peruvian bark (noun)
  12. quebracho bark (noun)
  13. red bark (noun)
  14. sassy bark (noun)
10 Charming Words for Nasty People
Put-downs with flair
Learn More
When "Literally" isn't, well, literal
How to use a word that (literally) drives some people nuts.
Watch Now
Know what this is?
Test your vocab with our fun, fast game
Go Play
Fear of cats?
Ailurophobia, and 9 other unusual fears
Learn More
Join Us
Merriam-Webster
on Facebook
Merriam-Webster
on Twitter
Bookstore: Digital and Print
Merriam-Webster references for Mobile, Kindle, print, and more.
See All
Other Merriam-Webster Dictionaries