| a water-soluble, gummy exudate obtained from the acacia tree, esp. Acacia senegal, used as an emulsifier, an adhesive, in inks, and in pharmaceuticals. |
| gum arabic n. 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. [gum1 + Arabic.] |
