Inca (noun)

1. A member of the ruling class of the ancient civilization of the Incas.
2. A ruler or emperor of the Incas.

Origin:

From quechua inka, from inka "ruler, lord, king".

Examples:

1. The Incas believed that the emperor, or inca, was a god on earth.
2. The Inca Empire was the largest empire in pre-Columbian America.
3. The Inca road system was one of the most extensive and advanced transportation systems in the pre-modern world.
4. The Inca Empire was conquered by the Spanish in the 16th century.
5. The Inca Empire was known for its impressive architectural feats, such as Machu Picchu.