sumac
Americannoun
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any of several shrubs or small trees belonging to the genus Rhus of the cashew family, having milky sap, compound leaves, and small, fleshy fruit.
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a preparation of the dried and powdered leaves, bark, etc., of certain species of Rhus, especially R. coriaria of southern Europe, used especially in tanning.
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the wood of these trees.
Etymology
Origin of sumac
1250–1300; Middle English < Medieval Latin < Arabic summāq
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Tart and sweet, Lev Sercarz likens sumac to a “red-wine vinegar powder of sorts.”
From The Wall Street Journal ● Jul. 16, 2026
He flips a jar of sumac between his hands like a baseball while teasing a regular, a woman in zebra-print pants with a diamond wedding ring the size of a quail’s egg.
From Salon ● Aug. 26, 2025
I share Vejar’s loathing for the relentless “tree of heaven,” the deciduous plant that is sometimes called a stinking sumac.
From Los Angeles Times ● Aug. 10, 2025
For full-spectrum flavor, you could also include a pinch of sumac for sourness, a fleck of crushed dried seaweed for savoriness and a dash of poppy seeds for sweet nuttiness.
From Seattle Times ● Oct. 15, 2023
Oak, maple, and poplar; sumac, wild-grape, and dogwood—they all smiled at him that afternoon, and they said, “What war, little boy, what war?”
From "Across Five Aprils" by Irene Hunt
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.