A roll or bag, filled with dust, borne by Byzantine emperors, as a memento of mortality. It is represented on medals
The inspissated juice of several species of acacia; called also gum acacia, and gum arabic
Nearly 300 species are Australian or Polynesian, and have terete or vertically compressed leaf stalks, instead of the bipinnate leaves of the much fewer species of America, Africa, etc
An acacia or an acacia tree is a tree which grows in warm countries and which usually has small yellow or white flowers. a tree with small yellow or white flowers that grows in warm countries (akakia). Any of the approximately 800 species of trees and shrubs that make up the genus Acacia, of the mimosa family. Acacias are native to tropical and subtropical regions of the world, particularly Australia and Africa. Sweet acacia (A. farnesiana) is native to the southwestern U.S. Acacias have distinctive, finely divided leaflets, and their leafstalks may bear thorns or sharp spines at their base. Their small, often fragrant, yellow or white flowers have many stamens apiece, giving each a fuzzy appearance. On the plains of southern and eastern Africa, acacias are common features of the landscape. Several species are important economically, yielding substances such as gum arabic and tannin, as well as valuable timber