a plant (Brassica oleracea gemmifera) related to the cabbage and cauliflower that is cultivated for its edible small roundish green buds which are borne on its stem and resemble miniature cabbages
brussels sprout
noun(brus-sels sprout)
any of the edible green buds that are borne on the stems of brussels sprouts, consist of tightly overlapping immature leaves, and are typically cooked as a vegetable