Dictionary.com
Thesaurus.com

Jerusalem artichoke

American  

noun

  1. Also called girasol.  a sunflower, Helianthus tuberosus, having edible, tuberous, underground stems or rootstocks.

  2. Also called sunchoke.  the tuber itself.


Jerusalem artichoke British  

noun

  1. a North American sunflower, Helianthus tuberosus, widely cultivated for its underground edible tubers

  2. the tuber of this plant, which is cooked and eaten as a vegetable

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Jerusalem artichoke

1635–45; alteration of Italian girasole articiocco edible sunflower. See girasol, artichoke

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Jerusalem artichoke, or sunchoke, a perennial sunflower, will try to outdo even the tall coneflower in height and inclination to spread.

From Seattle Times

If you thought Jerusalem artichokes were confusingly named, it turns out tropical tubers might be even more perplexing.

From Salon

There’s a mad scientist feel to her: When she finds Jerusalem artichokes, she turns them into ice cream.

From Washington Times

A couple of weeks before he died, I cooked him Jerusalem artichoke soup.

From New York Times

And if artichoke makes you think of Jerusalem artichokes, don’t even bother.

From Washington Post