say it: RAYN-may-kur
rainmaker is a noun meaning "executive who is very successful in bringing in business to his company or firm". It carries 2 recorded senses.
executive who is very successful in bringing in business to his company or firm
colloquialism
American Indian medicine man who attempt to make it rain
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 rainmaker 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.