Lozenge

Part of speech: noun (n.)

1. A diamond-shaped figure usually with the upper and lower angles slightly acute, borne upon a shield or escutcheon. Cf. Fusil.

2. A form of the escutcheon used by women instead of the shield which is used by men.

3. A figure with four equal sides, having two acute and two obtuse angles; a rhomb.

4. Anything in the form of lozenge.

5. A small cake of sugar and starch, flavored, and often medicated. -- originally in the form of a lozenge. Lozenge coach, the coach of a dowager, having her coat of arms painted on a lozenge. [Obs.] Walpole. -- Lozenge-molding (Arch.), a kind of molding, used in Norman architecture, characterized by lozenge-shaped ornaments.