From Longman Dictionary of Contemporary Englishdinedine /daɪn/ ●●○ verb [intransitive] formal DFEATto eat dinner He was dining with friends at the Ritz. → wine and dine somebody at wine2 → dine on/off something → dine out→ See Verb table
Examples from the Corpus
dine• Dining alone this evening?• You insisted I must wear this to dine, and I am certainly not going to change again now.• We dined at the Ritz.• The representatives of shire and suburb had arrived on the Monday evening, and had drunk and dined exceedingly well.• Adjacent to the hotel, guests may dine in the lively garden restaurant overlooking the river.• Guests dined on sea bass and saffron potato mousseline.• It's a place where the famous can dine out and not be bothered.• I have received an invitation to dine with the Mayor.Origin dine (1200-1300) Old French diner, from Vulgar Latin disjejunare “to eat after not eating for a time” 