From Longman Dictionary of Contemporary Englishluncheonlunch‧eon /ˈlʌntʃən/ noun [countable, uncountable] formalDF lunch
Examples from the Corpus
luncheon• Also honored at a luncheon sponsored by the group at the Capitol was Dolores Beilenson, wife of Rep.• Those attending will meet with the city's lobbyists and attend a luncheon with Gov.• The annual luncheon at the center pays homage to those who have given more than 1,000 hours.• Billy was on his way to a Lions Club luncheon meeting.• Over 200 attended the Women in Journalism luncheon last Tuesday.• The luncheon table in the little cottage was spread with cheese, olives, sardines and bread.• In the very attractive all-white luncheon room, vases of beautiful red, white, and blue flowers adorned every luncheon table.• At Newbury you will be able to see the race from your luncheon table.Origin luncheon (1600-1700) luncheon “large piece” ((15-19 centuries)), from lunch “piece (of food)” ((16-18 centuries)), probably from lump