say it: ad-VAHY-zur
advisor is a noun meaning "an expert who gives advice". It is pronounced /ædˈvaɪzɚ/ — ad-VAHY-zur. It carries one recorded sense.
an expert who gives advice
“an adviser helped students select their courses”
“the United States sent military advisors to Guatemala”
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 advisor 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.