Definition of "acacia" []

• Any of various often spiny trees or shrubs of the genus Acacia in the pea family, having alternate, bipinnately compound leaves or leaves represented by flattened leafstalks and heads or spikes of small flowers. (noun)
• Any of several other leguminous plants, such as the rose acacia. (noun)
• See gum arabic. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The thorny acacia is a good property protecting plant."
• "You are right, it is called acacia, but it's not a "true" acacia, like mimosas are."
• "Where I come fromOdessa,Ukraine these trees are called acacia trees and they fill the wholy city with their head spinning aroma in June."