Available Definitions:
1) n. - A diamond-shaped figure usually with the upper and lower angles slightly acute, borne upon a shield or escutcheon. Cf. Fusil.
2) n. - A form of the escutcheon used by women instead of the shield which is used by men.
3) n. - A figure with four equal sides, having two acute and two obtuse angles; a rhomb.
4) n. - Anything in the form of lozenge.
5) n. - A small cake of sugar and starch, flavored, and often medicated. -- originally in the form of a lozenge.