a. Chem. [f. L. aconīt-um; see ACONITE + -IC.] Of or pertaining to aconite. Aconitic acid, a basic triatomic acid (C6H3O3)″′ (OH)3 existing in monkshood, larkspur, and other plants, and also obtained by heating citronic acid.
1873. Fownes, Chem., 730. Aconitic Acid exists in Monkshood.