How to pronounce luncheon? This video provides examples of American English pronunciations of luncheon by male and female speakers. In addition, it explains the meaning of luncheon through a definition and several visual examples. IPA Transcription of luncheon is /ˈlʌntʃən/. Definition of luncheon: Luncheon is a meal eaten in the middle of the day. If you'd like to test your pronunciation of luncheon, check out Accent Hero's real-time pronunciation feedback tool: https://accenthero.com/app/pronunciat... or our Android app: https://play.google.com/store/apps/de...