cardoon /kɑː(ɹ)ˈduːn/ noun1 •Any member of the species Cynara cardunculus of prickly perennial plants which has leaf stalks eaten as a vegetable, related to the artichoke.Means: m. Void, and emptie places between beds in gardens, reserved for speciall hearbes; such are the spaces left for Cardoons betweene rowes of Onyons. — 1611 formscardoons