rhus

play
noun \ˈrüs\

Definition of rhus

plural

rhuses

or

rhus

  1. :  sumac 2

Origin and Etymology of rhus

New Latin, from Latin, sumac, from Greek rhous


First Known Use: circa 1611


Medical Dictionary

rhus

play
noun \ˈrüs\

Medical Definition of rhus

  1. 1 capitalized :  a genus of shrubs and trees of the cashew family (Anacardiaceae) that are native to temperate and warm regions, have compound trifoliolate or pinnate leaves, and include some (as poison ivy, poison oak, and poison sumac) producing irritating oils that cause dermatitis—see sumac, toxicodendron

  2. 2plural rhuses or rhus :  any shrub or tree of the genus Rhus

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