The definition of a luncheon is a formal meal served in the middle of the day.(noun)
When a charity holds a special meal in the middle of the day to raise money and honor guests, this is an example of a luncheon.
See luncheon in Webster's New World College Dictionary
Origin: earlier lunchion, lunshin < lunch, prob. after dial. nuncheon, a snack, lunch < ME nonachenche, lit., noon drink
See luncheon in American Heritage Dictionary 4
Origin: Probably alteration (influenced by dialectal lunch, hunk of cheese or bread)
Origin: of obsolete nuncheon, light snack
Origin: , from Middle English nonshench
Origin: : none, noon; see noon
Origin: + schench, drink (from Old English scenc, from scencan, to pour out).
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