Definition of "mustard family" []

• A large family of herbs, the Cruciferae (Brassicaceae), characterized by pungent juice and four-petaled flowers arranged in a cross and including important vegetables such as broccoli, Brussels sprouts, cabbage, cauliflower, kale, radishes, and watercress. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.