A mild red polishing abrasive made from finely ground iron oxide (rust), used by jewellers and lens-makers for finishing surfaces.

An alloy containing three parts of gold to one of copper.

One of 105 counties in Kansas, United States. County seat: Mankato.

Salarias fasciatus, a species of fish popular for aquariums.

Polyura delphis, a species of Indian leafwing butterfly.

The historic royal regalia of a state.

plural of crown jewel / (literally) The jewelry that accompany the office of rulership in a monarchy, i.e. crown, scepter, signet ring, etc. / (slang) The male genitalia.

A bearing used in watches, gyroscopes and other instruments, normally made of a synthetic corundum.

A round neckline that follows the base of the neck.

Used other than figuratively or idiomatically: see family, jewels. / (idiomatic, euphemistic) Testicles.