sumac

noun

su·​mac ˈshü-ˌmak  ˈsü- 

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

Puddles offer splash landing-pads to any child in flight; display their dreams through windows into the world above: limbs and last leaves of sumac and hickory, a passing black-capped chickadee, and – down in the far blue – a blouse of cloud. —Contributing Monitor Poets, Christian Science Monitor, 23 Apr. 2025

Residents must bring the materials to be chipped to the site; crews must be able to pick the materials up as they cannot be cut into smaller pieces; and no poison oak/ivy/sumac, ground cover, cactus or materials with bug infestation will be chipped. —Julie Gallant, San Diego Union-Tribune, 28 May 2025

Traditional soups may include lamb, chickpeas, chestnuts, wild sorrel, onion, apricots, mint and saffron and perhaps will be served with sumac and fresh red onion (chestnuts are used rather than potatoes in traditional Azerbaijan cuisine). —Tom Mullen, Forbes.com, 11 May 2025

The baby giraffe’s mother, Amirah, prefered nibbling on the sumac tree during her pregnancy, and her calf has shown the same preference, the zoo said. —Veronica Fernandez-Alvarado, Sacbee.com, 1 Apr. 2025

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

Phrases Containing sumac

• poison sumac
• staghorn sumac

Rhymes for sumac

• sumach

Kids Definition

sumac

noun

su·​mac

variants also sumach

ˈsü-ˌmak 

ˈshü-

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

variants also sumach

ˈsü-ˌmak  ˈshü- 

: any of various plants of the genus Rhus including several (as poison sumac) having foliage poisonous to the touch compare poison ivy, poison oak