The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of several western North American perennial herbs of the genus Balsamorhiza in the composite family, having radiate heads of yellow flowers. The large roots of some species were used as food by certain Native American peoples.