Any of various perennial New World herbs of the genus Osmorhiza of the parsley family, having fleshy aromatic roots, compound leaves, and clusters of small white flowers.
An aromatic European perennial herb (Myrrhis odorata) having compound leaves and compound umbels of small white flowers. Also called myrrh.
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.