Definitions

1. noun

A person from the Caucasus region, or a white person, especially one of European origin.

“She was a Caucasian with fair skin and blonde hair.”

2. adjective

Relating to the Caucasus region, or of white people, especially those of European origin.

“The Caucasian population of the city was predominantly white.”

3. adjective

In biology, relating to the Caucasus region, used to describe a subspecies of human or a particular race.

“The Caucasians were found to be one of the earliest human subspecies.”