Any of several forms of a European vegetable (Brassica oleracea var. capitata) of the mustard family, having a globose head consisting of a short stem and tightly overlapping green to purplish leaves. Any of several similar or related plants, such as Chinese cabbage. The terminal bud of several species of palm, eaten as a vegetable. Slang Money, especially in the form of bills. Informal Sweetheart; dear. Used as a term of endearment.