say it: DIN-ur
dinner is a noun meaning "the main meal of the day served in the evening or at midday". It carries 2 recorded senses.
a party of people assembled to have dinner together
“guests should never be late to a dinner party”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for dinner come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.