メインフレーマMeanings1nounmainframercomputingA person who works with mainframe computers, especially in a professional IT context. Domain-specific computing term.彼かれは長なが年ねんメインフレーマとして銀ぎん行こうのシステムを支ささえてきた。He has supported the bank's systems for many years as a mainframer.
