郵ゆう便びん屋やゆうびんやJLPTN1Meanings1nounpostman; mail carriercolloquialColloquial term for a mail carrier; often used with the honorific さん as 郵便屋さん. More casual than 郵便配達員.郵ゆう便びん屋やさんが手て紙がみを届とどけてくれた。The mail carrier delivered the letter.