The definition of Caucasian is white-skinned or of European descent.(adjective)
A person who is white and who has European ancestors is an example of someone who would be described as a Caucasian person.
A Caucasian is defined as a white person of European descent.(noun)
A white person of European descent is an example of a Caucasian.
See Caucasian in Webster's New World College Dictionary
See Caucasian in American Heritage Dictionary 4
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