A gum exuded by various African trees of the genus Acacia, especially A. senegal, used in the preparation of pills and emulsions and the manufacture of mucilage and candies and in general as a thickener and colloidal stabilizer. Also called acacia.
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.