Egyptian Thorn, or Binding Bean-tree, in botany, a species of Mimosa*, according to Linnaeus; tho' other botanists make it a distinct genus.

False Acacia, Sec Robinia.

*See Mimosa. Acacia

Three-thorned Acacia, or Honey-Locust. See Gleditsia.

the Materia Medica. See there, no. 67.

Acacia, among antiquaries, something resembling a roll or bag, seen on medals, as in the hands of several consuls and emperors. Some take it to represent a handkerchief rolled up, wherewith they made signals at the games; others, a roll of petitions or memorials; and some, a purple bag full of earth, to remind them of their mortality.