Definition of "mustard" []

• Any of various Eurasian plants of the genus Brassica, especially B. nigra and B. juncea, which are cultivated for their pungent seeds and edible leaves. (noun)
• A condiment made from the powdered seeds of certain of these plants. (noun)
• A member of the mustard family. (noun)
• A dark yellow to light olive brown. (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.

• "of mustard flour, and 1-1/2 lbs. of wheaten flour, made into a stiff paste, with the requisite quantity of water, in which the bay-salt is previously dissolved, forms the so-called _genuine Durham mustard_, sold in pots."
• "The salmon grills to a gorgeous golden brown, and the mustard is a nice complement the delicious fish."
• ""That's what you call a mustard plaister, isn't it?" said Harry."