noun

1. (shapes) A quadrilateral with sides of equal length (rhombus), having two acute and two obtuse angles.

2. A small tablet (originally diamond-shaped) or medicated sweet used to ease a sore throat.

Synonyms: diamond, rhomb, rhombus, pastille, throat pastille, troche

verb

1. To form into the shape of a lozenge.

2. To mark or emblazon with a lozenge.