A formal meal served in the middle of the day. / (obsolete) Any midday meal; lunch. / (obsolete) A lump of food.

(intransitive, dated) To eat luncheon.

plural of luncheon

simple past tense and past participle of luncheon

present participle of luncheon

(dated) Someone who eats lunch, especially in a diner or restaurant.

plural of luncheoner

(UK, Canada) Lunch meat.

plural of luncheon meat

plural of luncheon bar