ETYM French dîner, from dîner to dine. Related to Dine.
1. A party of people assembled to have dinner together; SYN. dinner party.
2. The main meal of the day served in the evening or at midday:.

ETYM Old Eng. soper, super, Old Fren. super, soper, French souper; originally an infinitive, to sup, take a meal. Related to Soup, Sup to take supper.
1. A light evening meal; served in early evening if dinner is at midday or served late in the evening at bedtime.
2. A social gathering where a light evening meal is served.