A resin of certain Old World plants of the genus Cistus, yielding a fragrant essential oil used in flavorings and perfumes.
A dark resinous juice obtained from various rockroses of the genus Cistus, used in perfumery and in the manufacture of fumigants and medicinal plasters
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.
www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016