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.