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 skinAlso called: poison dogwood, poison elder See also sumach
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- poison hemlock,
- poison ivy,
- poison oak,
- poison pill,
- poison sumac,
- poison-arrow frog,
- poison-pen letter,
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