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acacia

American  
[uh-key-shuh] / əˈkeɪ ʃə /

noun

  1. a small tree or shrub belonging to the genus Acacia, of the mimosa family, having clusters of small yellow flowers.

  2. any of several other plants, as the locust tree.

  3. gum arabic.


acacia British  
/ əˈkeɪʃə /

noun

  1. any shrub or tree of the tropical and subtropical leguminous genus Acacia, having compound or reduced leaves and small yellow or white flowers in dense inflorescences See also wattle 1

  2. another name for locust locust

  3. another name for gum arabic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of acacia

1535–45; < Latin < Greek akakía Egyptian thorn