kabu āļāļ·āļāļāļ°āđāļĢ kabu āļāļ·āļāļāļ°āđāļĢ A widely cultivated Eurasian plant (Brassica rapa) of the mustard family, having a large rounded edible whitish root and edible leaves.The root of this plant, eaten as a vegetable.Chiefly Northeast US A rutabaga.