Main Entry: Je·ru·sa·lem artichoke

Pronunciation: \jə-ˌrü-s(ə-)ləm-, -ˌrüz-ləm-, -ˈrü-zə-\

Function: noun

Etymology: Jerusalem by folk etymology from Italian girasole girasole

Date: 1639

: a perennial sunflower (Helianthus tuberosus) of the United States and Canada widely cultivated for its tubers that are used as a vegetable and as a livestock feed; also : its tubers