in botany, a synonyme of the poinciana, genista, mimosa, robinia, guaiacum, &c. See these articles.

in the materia medica, the inspissated juice of the unripe fruit of the acacia. This juice is brought from Egypt in roundish pieces, wrapt up in thin bladders, and is used as a mild astringent.

ACACIA germanica. See Pruna.

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.