variants or less commonly sumach
1
: any of a genus (Rhus) of trees, shrubs, and woody vines of the cashew family that have leaves turning to brilliant colors in the autumn, small usually dioecious flowers, and spikes or loose clusters of red or whitish berries compare poison ivy, poison oak, poison sumac
2
: a material used in tanning and dyeing that consists of dried powdered leaves and flowers of various sumacs
3
: the tart dried and ground red berries of several sumacs (such as Rhus coriaria) used as a spice especially in Middle Eastern and Mediterranean cooking

Examples of sumac in a Sentence

Recent Examples on the Web
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Seven ramekins come on a platter bearing beets with tehina, a puree of greens called olesh, cannellini beans and corn, cabbage with sumac onions, eggplant, Yemenite pickles and chershi, a butternut squash spread. Connie Ogle july 31, Miami Herald, 31 July 2026 Serve with warm slices of lavash or pita, yogurt and sumac onions. Caron Golden, San Diego Union-Tribune, 29 July 2026 Mezze include hummus with green harissa, crispy potatoes with pickle aioli and tomato jam and a fattoush salad with sumac vinaigrette. John Metcalfe, Mercury News, 28 July 2026 Season with salt, pepper, paprika, thyme, sumac, Aleppo pepper, and cumin, and mix until well incorporated. Kelly McCarthy, ABC News, 26 June 2026 See All Example Sentences for sumac

Word History

Etymology

Middle English sumac, from Anglo-French, ultimately from Arabic summāq

First Known Use

14th century, in the meaning defined at sense 2

Time Traveler
The first known use of sumac was in the 14th century

Browse Nearby Words

Cite this Entry

“Sumac.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sumac. Accessed 5 Aug. 2026.

Kids Definition

sumac

noun
su·​mac
variants also sumach
1
: a material used in tanning and dyeing made of the leaves and other parts of sumac
2
: any of a genus of trees, shrubs, and woody vines related to the cashew and having leaves turning to brilliant colors in autumn, spikes or loose clusters of red or whitish berries, and in some cases leaves or berries that are irritating to the skin compare poison ivy, poison oak, poison sumac

Medical Definition

sumac

noun
su·​mac
: any of various plants of the genus Rhus including several (such as R. copallinum) having medicinal uses especially formerly compare poison sumac

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