Definitions for jerusalem artichoke
Random House Webster's College Dictionary
a sunflower, Helianthus tuberosus, having edible, tuberous underground rootstocks.
the tuber itself.
Origin of Jerusalem artichoke:
1635–45; alter., by folk etym., of It girasole sunflower. See girasol
edible tuber of the Jerusalem artichoke
Jerusalem artichoke, girasol, Jerusalem artichoke sunflower, Helianthus tuberosus(noun)
tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers
Jerusalem artichoke, sunchoke(noun)
sunflower tuber eaten raw or boiled or sliced thin and fried as Saratoga chips
a variety of sunflower, Helianthus tuberosus, native to North America, having yellow flower heads and edible tubers
the tuber of this plant, eaten as a vegetable; the sunchoke
Origin: girasole, sunflower, mistaken for "Jerusalem" via folk etymology + artichoke
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