Acacia

Noun

 * 1)  A shrub or tree of the genus Acacia, or from a species formerly classified in this genus, or believed to belong to the genus.
 * 2)  The inspissated juice of several species of Acacia.
 * 3)  The wattle tree.

Synonyms

 * gum acacia, gum arabic

Noun

 * 1)  A roll or bag, filled with dust, borne by Byzantine emperors, as a memento of mortality. It is represented on medals.