[ 'α:tɪtʃəʊk ]
■ noun
1》 a plant with large, thistle-like flower heads. [ Cynara scolymus .]
2》 (also globe ~ ) the unopened flower head of the ~, of which the heart and the fleshy bases of the bracts are edible.
3》 see Jerusalem ~ .
Origin
C16: from northern Ital. articiocco , from Sp. alcarchofa , from Arab. al-ḵaršūfa .