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.
A small Eurasian shrub (Genista tinctoria) having clusters of yellow flowers that yield a dye. Also called dyer's broom, woadwaxen, woodwaxen.