GRE miller Definition A person who owns or works in a grain mill. Example "The old miller ground wheat into flour each morning at dawn." Sign in to save GRE Quiz → ← millennium millionaire → Study tips featuring "miller" Write GRE Words Into Your Own Sentences Related words GRE swill GRE taper GRE testy GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct