/ ˈɑːtɪtʃəʊk; NAmE ˈɑːrtɪtʃoʊk/ noun [ C , U ]
1.
(also ˌglobe ˈarti·choke ) a round vegetable with a lot of thick green leaves. The bottom part of the leaves and the inside of the artichoke can be eaten when cooked.
2.
( BrE ) = Jerusalem artichoke
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WORD ORIGIN
mid 16th cent.: from northern Italian articiocco , from Spanish alcarchofa , from Arabic al-ḵaršūfa .