luncheon noun
ADJ. buffet | annual | anniversary, charity, literary
VERB + LUNCHEON have | attend | served (= it is ready now) | give The anniversary was marked by a luncheon given in the town hall.
LUNCHEON + NOUN room, table | menu | party | engagement
PREP. at ~ They met at a literary luncheon. | during ~, for ~, over ~
You can also check other dicts: luncheon (English, 中文解释 ), wordnet sense, Collins Definition