Source : WordNet®

head cabbage
     n 1: any of various cultivated cabbage plants having a short
          thick stalk and large compact head of edible usually
          green leaves [syn: {head cabbage plant}, {Brassica
          oleracea capitata}]
     2: any of several varieties of cabbage having a large compact
        globular head; may be steamed or boiled or stir-fried or
        used raw in coleslaw