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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.
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Origin of Jerusalem artichoke

1635–45; alteration of Italian girasole articiocco edible sunflower. See girasol, artichoke
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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
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Word Origin for Jerusalem artichoke

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