1. any of a genus (Tradescantia) of fleshy perennial plants of the spiderwort family, having grasslike leaves and showy purplish, white, or pink flowers
2. designating a family (Commelinaceae, order Commelinales) of monocotyledonous plants, including
the dayflower and wandering Jew
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.