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 PDF — $25 ← millennium millionaire → Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant