an anacardiaceous swamp shrub, Rhus (or Toxicodendron) vernix of the southeastern US, that has greenish-white berries and causes an itching rash on contact with the skin: Also called: poison dogwood, poison elder See 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
How to use poison sumach in a sentence
It is popularly known in the United States as "poison sumach," "poison dogwood" and "poison elder."Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron) | William Anderson Syme
One of this family is poisonous and is known as poison sumach.Woodcraft | Alan Douglas
poison sumach (Rhus vernix) is not the same as poisonwood, though sometimes the two are confounded.American Forest Trees | Henry H. Gibson
By certain traits we may always know, with absolute certainty, a poison sumach when we find it.Trees Worth Knowing | Julia Ellen Rogers
Was it the light reflected from the glossy leaves of the poison sumach which overhung the path that made his cheek look so pale?The Guardian Angel | Oliver Wendell Holmes, Sr.