Any of various aromatic plants of the genus Artemisia in the composite family, having green or grayish foliage and usually numerous small discoid flower heads and including the mugwort, sagebrush, tarragon, and wormweed.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.