Definition of "acacia" in 英语

noun

1. (countable) A shrub or tree of the tribe Acacieae.

   • 1997, Kenneth M. Old, Ian A. Hood, Zi Qing Yuan, Diseases of Tropical Acacias in Northern Queensland, K. M. Old, Su Lee See, J. K. Sharma (editors), Diseases of Tropical Acacias: Proceedings of an International Workshop held at Subanjeriji (South Sumatra) 28 April - 2 May 1996, page 1, The latter species was collected only once in this survey on A. flavescens but is widespread on both tropical and temperate acacias in Australia.

2. (uncountable, pharmacy) The thickened or dried juice of several species in Acacieae, in particular Vachellia nilotica (syn. Acacia nilotica, Egyptian acacia).

3. A false acacia; robinia tree (Robinia pseudoacacia).

4. (uncountable) Gum arabic; gum acacia.

5. (loosely) Any of several related trees, such as a locust tree.

6. A light to moderate greenish yellow with a hint of red.

7. A light to moderate greenish yellow with a hint of red. acacia:

noun

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