D defs.my
Entry 2 senses Webster, 1913

dinner

/dĭnʹər/ · din·ner · IPA /ˈdɪnɚ/
01 n. The principal meal of the day, eaten in some countries about midday, but in others (especially in the U. S. and in large cities) at a later hour.
  1. 1.
    The principal meal of the day, eaten in some countries about midday, but in others (especially in the U. S. and in large cities) at a later hour.
  2. 2.
    An entertainment; a feast.
    “A grand political dinner.” Tennyson.