acacia
aca.cia \*-'ka--sh*\ n [NL, genus name, fr. L, acacia tree, fr. Gk akakia shittah] 1: any of a genus (Acacia) of woody leguminous plants of warm regions havin g the leaves pinnate or reduced to phyllodes, having white or yellow flower clusters, and including some that yield gums or tanning extracts 2: GUM ARABIC