plural mustards
1
: a thick and spicy yellow or brownish-yellow sauce that is usually eaten with meat
Would you like some mustard on your hot dog?
2
: a plant with yellow flowers, leaves that can be used for food, and seeds that are used in making mustard
3
: a brownish-yellow color
Cite this Entry
“Mustard.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/mustard. Accessed 10 Apr. 2026.
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