Emily Dickinson Lexicon

A-CA'CIA, a. [L. acacia, a thorn, from Gr. ακη, a point.]

Egyptian thorn, a species of plant ranked by Linnæus under the genus Mimosa, and by others, made a distinct genus. Of the flowers of one species, the Chinese make a yellow dye which bears washing in silks, and appears with elegance on paper. – Encyc.