Definition of lily

• n. - A plant and flower of the genus Lilium, endogenous bulbous plants, having a regular perianth of six colored pieces, six stamens, and a superior three-celled ovary.
• n. - A name given to handsome flowering plants of several genera, having some resemblance in color or form to a true lily, as Pancratium, Crinum, Amaryllis, Nerine, etc.
• n. - That end of a compass needle which should point to the north; -- so called as often ornamented with the figure of a lily or fleur-de-lis.