The male monarch or ruler of an empire.
A large, relatively valuable marble in children's games.
Any of various butterflies of the subfamily Charaxinae.
Specifically, the ruler of the Holy Roman Empire; the world-monarch.
Any of various large dragonflies of the cosmopolitan genus Anax.
An emperor penguin.
The fourth trump or major arcana card of the tarot deck.
Any monarch ruling an empire, irrespective of gender, with "empress" contrasting to mean the consort of an emperor.
Any fish of the family Lethrinidae.
The rank, status, power or authority of a monarch.
Payment made to a writer, composer, inventor etc for the sale or use of intellectual property, invention etc.
The payment received by an owner of real property for exploitation of mineral rights in the property.
Someone in a privileged position.
A king and a queen as a starting hand in Texas hold 'em.
The bounds of a royal burgh.
A royal right or prerogative, such as the exploitation of a natural resource; the granting of such a right; payment received for such a right.
People of royal rank, plus their families, treated as a group.