Dinner \Din"ner\, n. [F. d[^i]ner, fr. d[^i]ner to dine. See Dine.]

1. The principal meal of the day, eaten by most people about midday, but by many (especially in cities) at a later hour.

2. An entertainment; a feast.

A grand political dinner. --Tennyson.

Note: Dinner is much used, in an obvious sense, either adjectively or as the first part of a compound; as, dinner time, or dinner-time, dinner bell, dinner hour, etc.

Source: Webster's Revised Unabridged Dictionary (1913)