mus·tard  (m ŭs t ərd)
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n.1. a. Any of various Eurasian plants of the mustard family, especially white mustard, Indian mustard, and black mustard, which are cultivated for their pungent seeds and edible leaves. b. A condiment made from the powdered seeds of certain of these plants. 2. A member of the mustard family. 3. A dark yellow to light olive brown. 4. Any of a group of toxic organic compounds that include mustard gas and the nitrogen mustards.
[Middle English, from Old French mustarde, from Latin mustum, must, unfermented wine; see MUST3.]
mustard·y adj. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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