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Jerusalem artichoke

noun
1.
Also called girasol. a sunflower, Helianthus tuberosus, having edible, tuberous, underground stems or rootstocks.
2.
Also called sunchoke. the tuber itself.
Origin
1635-1645
1635-45; alteration of Italian girasole articiocco edible sunflower. See girasol, artichoke
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for Jerusalem artichoke

Jerusalem artichoke

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
See also artichoke (sense 1), artichoke (sense 2)
Word Origin
C17: by folk etymology from Italian girasole articiocco; see girasol
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
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