- any shrub or small tree of the anacardiaceous genus Rhus, several species of which are cultivated as ornamentals for their foliage, which assumes brilliant colours in autumnSee also sumach
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for rhus
Flowers and fruit like those of the cultivated species (Rhus Cotinus).Trees of the Northern United States
Austin C. Apgar
The lacquer-tree (Rhus vernicifera) grows mainly in the island of Hondo.Commercial Geography
Jacques W. Redway
I felt positive that the remedy indicated was Rhus Toxicodendron.Doctor Jones' Picnic
S. E. Chapman
For the vessicular kind, where there are blisters, Rhus tox.
If it is produced by over-exertion, Rhus is the proper remedy.
- A genus of vines and shrubs including several species, especially poison ivy, poison oak, and poison sumac, producing oils that can cause dermatitis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.