a large, prickly North American weed, Solanum carolinense, of the nightshade family, having violet to white flowers in a few clusters.
Origin of horse nettle
An Americanism dating back to 1810–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a weedy solanaceous North American plant, Solanum carolinense, with yellow prickles, white or blue flowers, and yellow berries
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