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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.]

mus′tard·y adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Cookery) flavoured with mustard
2. (Cookery) resembling mustard in flavour or colour
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
I shy away from thickeners in canning, so I opted to increase the mustard and lower the sugar to give this pickle brine a creamy consistency and strong mustardy backbone.
Accompanied by a mustardy vinaigrette dressed green leaf salad it made a convenient, but far more important, really delicious main course for lunch with friends.
In the accompanying recipe, they are steamed and sauced with a bright, mustardy vinaigrette, then paired with wobbly-yolked eggs.
The mash was delicious, though, really creamy, tasty and full of a mustardy flavour that I felt would definitely complement the pork if the jus flavourings hadn't been dried out.
While they were smartened up with a griddled baby leek, Parmesan crisps, a mustardy cheese sauce and more dinky greens, it was still an overpriced disappointment.
On the side, a small bowl of pickled veal tongue, and another of mustardy celeriac remoulade and strands of banana blossom.
claim This one, from Janneke's new book, comes with a mustardy mayo and is topped with onions.
There is also homemade pumpkin soup or -- a bit more summery -- the smoked salmon in a mustardy sauce.
Return to the oven for 2-3 mins until the spinach has begun to wilt and the peas are hot and covered in the mustardy sauce.
Aside from giving it a gorgeous yellowish hue, the luyang dilaw also provides a very distinct mustardy aftertaste like a mild vinaigrette dressing.
For instance, this past growing season, kids sampled tatsoi, a mustardy Asian salad green.
Eaten young, it resembles sprouting broccoli with a hint of spinach and a mustardy tang.