Lozenge

1. A figure with four equal sides, having two acute and two obtuse angles; a rhomb.
2. Anything in the form of lozenge.
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.
Lozenge coach ,
the coach of a dowager, having her coat of arms painted on a lozenge.
Lozenge-molding (Arch.),
a kind of molding, used in Norman architecture, characterized by lozenge-shaped ornaments.