GUM

viscid matter exuded from various trees and plants, extensively used in the arts, medicines and manufactures—in the making of “gum” or mucilage, confectionery, etc. Among the principal varieties are Gum Arabic from the stems of the Acacia. tree, Gum TRAGACANTH (which see) and Chicle (see CHEWING GUM). DEXTRIN (which see) is used as a Substitute in various lines of manufacture. [s. 298]