(n) chiefly Old World strong-smelling weedy herbs; comprises plants sometimes included in other genera: e.g. Tanacetum; Tripleurospermum, Syn. genus Matricaria
prop. n. A genus of chiefly Old World strong-smelling weedy herbs; it comprises plants sometimes included in other genera, such as Tanacetum and Tripleurospermum. Syn. -- genus Matricaria. [ WordNet 1.5 ]