大だい会がい社しゃだいがいしゃMeanings1nounlarge company; major corporationGeneral term for a big business; used in everyday contexts.彼かれは大だい会社がいしゃに就しゅう職しょくした。He got a job at a large company.2nounlarge company (legal definition)lawLegal term under Japanese corporate law: a company with capital over 500 million yen or liabilities over 20 billion yen.