午ご餐さんごさんMeanings1nounlunch; luncheonformal or literaryFormal or literary term for lunch; not used in everyday conversation. Often found in written invitations, formal announcements, or older literature.午ご餐さん会かいは午ご後ご一いち時じから始はじまります。The luncheon will begin at 1 p.m.彼かれはホテルで午ご餐さんをとった。He had lunch at the hotel.