Definition of Jerusalem artichoke
: a perennial sunflower (Helianthus tuberosus) of the U.S. and Canada widely cultivated for its tubers that are used as a vegetable and as a livestock feed
also
: its tubers
Test Your Vocabulary
Words Named After People
-
- Namesake of the leotard, Jules Léotard had what profession?

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share Jerusalem artichoke
Time Traveler for Jerusalem artichoke
The first known use of Jerusalem artichoke was in 1639
See more words from the same year