(defs 1, 3).
the US name for hemlock (sense 1)
noun 1. a shrub, Viburnum molle, of the central U.S., having white flowers and bluish-black fruit.
[poi-zuh-ning] /ˈpɔɪ zə nɪŋ/ noun, Pathology. 1. the condition produced by a or by a toxic substance. [poi-zuh n] /ˈpɔɪ zən/ noun 1. a substance with an inherent property that tends to destroy life or impair health. 2. something harmful or pernicious, as to happiness or well-being: the poison of slander. 3. Slang. any variety […]
noun 1. a vine or shrub, Rhus radicans, having trifoliate leaves and whitish berries and causing severe dermatitis when touched by persons sensitive to it. 2. . 3. the rash caused by touching poison ivy. noun 1. any of several North American anacardiaceous shrubs or vines of the genus Rhus (or Toxicodendron), esp R. radicans, […]
noun 1. either of two shrubs, Rhus toxicodendron, of the eastern U.S., or R. diversiloba, of the Pacific coast of North America, resembling poison ivy and causing severe dermatitis when touched by persons sensitive to them. noun 1. either of two North American anacardiaceous shrubs, Rhus toxicodendron or R. diversiloba, that are related to the […]