: a pungent yellow condiment consisting of the pulverized seeds of various mustard plants (such as Sinapis alba, Brassica juncea, and B. nigra) either dry or made into a paste or sauce (as by mixing with water or vinegar) and sometimes adulterated with other substances (such as turmeric) or mixed with spices
b
: the seed of a mustard plant used as a spice and in medicine as a stimulant and diuretic, an emetic, or a counterirritant
: any of several herbs (genera Brassica and Sinapis of the family Brassicaceae synonym Cruciferae, the mustard family) with lobed leaves, yellow flowers, and linear beaked pods
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Their Sweet Heat Sauce is a mix of sweet honey and Aleppo pepper hot sauce, while their Mardi Gras Mustard is a creamy Creole mustard infused with horseradish.—Lauren Jarvis-Gibson, Southern Living, 14 Mar. 2025 Much of the green is from invasive weeds, including wild oats, thistle and mustard planted by ranchers who worked this land for more than 150 years.—Jaclyn Cosgrove, Los Angeles Times, 13 Mar. 2025 Enjoy chicken wings on their own or with condiments like mayo, mustard, vinegar, or hot sauce.
13.—Johna Burdeos, Health, 10 Mar. 2025 Leafy Green Vegetables Dark leafy greens, like mustard greens, Swiss chard, and spinach, are among the richest dietary sources of vitamin K, offering well over 100% of the daily value per serving.—Elizabeth Barnes, Verywell Health, 4 Mar. 2025 See All Example Sentences for mustard
Word History
Etymology
Middle English, from Anglo-French mustarde, from must must, from Latin mustum
: a pungent yellow condiment consisting of the pulverized seeds of the black mustard or sometimes the white mustard either dry or made into a paste and serving as a stimulant and diuretic or in large doses as an emetic and as a counterirritant when applied to the skin as a poultice
2
: any of several herbs (genus Brassica of the family Cruciferae, the mustard family) with lobed leaves, yellow flowers, and linear beaked pods see black mustardsense 1, white mustard
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