Dinner Definition

dĭnər

noun

The main meal of the day, whether eaten in the evening or about noon.

Webster's New World

A banquet in honor of some person or event.

Webster's New World

The food prepared for either of these meals.

American Heritage

A complete meal at a set price with no course omitted; table d'hôte.

Webster's New World

The main meal of the day, often eaten in the evening.

Wiktionary

Synonyms:

Other Word Forms of Dinner

Singular:

dinner

Plural:

dinners

From Old French disner (“lunch”, but originally “breakfast”), from Latin dis- + iēiūnō (“to break the fast”).

From Wiktionary
Middle English diner morning meal from Old French disner, diner to dine, morning meal dine

From American Heritage Dictionary of the English Language, 5th Edition