say it: kaw-KAY-zhuhn
caucasian is a noun and adjective meaning "a Caucasian". It carries 4 recorded senses.
a Caucasian
a number of languages spoken in the Caucasus that are unrelated to languages spoken elsewhere
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for caucasian come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.