- Noun. (countable) A shrub or tree of the genus ''Acacia'', or from a species formerly classified in this genus, or believed to belong to the genus.
- Noun. (pharmacy, uncountable) The inspissated juice of several species of ''Acacia''.
- Noun. (context, antiquities) A roll or bag, filled with dust, borne by Byzantine emperors, as a memento of mortality. It is represented on medals.