Jerusalem artichoke
WordNet
noun
(1) Sunflower tuber eaten raw or boiled or sliced thin and fried as Saratoga chips
(2) Tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers
(3) Edible tuber of the Jerusalem artichoke
WiktionaryText
Noun
- 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