Flowers of the gas plant.Licensed from iStockPhoto
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a perennial plant (Dictamnus albus) of the rue family, with fragrant white, pink, or purple flowers that on hot nights give off a flammable gas
Used by arrangement with John Wiley & Sons, Inc.
nounThe 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 Eurasian plant (Dictamnus albus) having aromatic foliage and white flowers and emitting a flammable vapor. Also called burning bush, dittany, fraxinella.