| ACAC | any of various spiny trees or shrubs of the genus Acacia |
|---|---|
| ACAC | Australian tree that yields tanning materials |
| ACAC | scrubby Australian acacia having extremely foul-smelling blossoms |
| ACAC | East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods |
| ACAC | evergreen Australasian tree having white or silvery bark and young leaves and yellow flowers |
| ACAC | tropical American thorny shrub or small tree |
| ACAC | tall Australian acacia yielding highly valued black timber |
| ACAC | shrubby Australian tree having clusters of fragrant golden yellow flowers |
| ACAC | African tree supposed to mark healthful regions |