genus Acacia - large genus of shrubs and trees and some woody vines of Central and South America, Africa, Australia and Polynesia: wattle; mimosa

shittah, shittah tree - source of a wood mentioned frequently in the Bible; probably a species of Acacia

Acacia auriculiformis, black wattle - Australian tree that yields tanning materials

Acacia cambegei, gidgee, stinking wattle - scrubby Australian acacia having extremely foul-smelling blossoms

Acacia catechu, catechu, Jerusalem thorn - East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu

Acacia dealbata, mimosa, silver wattle - evergreen Australasian tree having white or silvery bark and young leaves and yellow flowers

huisache, mimosa bush, scented wattle, sweet acacia, sweet wattle, Acacia farnesiana, cassie, flame tree - tropical American thorny shrub or small tree; fragrant yellow flowers used in making perfumery

Acacia pycnantha, golden wattle - shrubby Australian tree having clusters of fragrant golden yellow flowers; widely cultivated as an ornamental

Acacia xanthophloea, fever tree - African tree supposed to mark healthful regions

tree - a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms

gum acacia, gum arabic - gum from an acacia tree; used as a thickener (especially in candies and pharmaceuticals)