VERB (2)

1. have supper; eat dinner;
- Example: "We often dine with friends in this restaurant"

2. give dinner to; host for dinner;
- Example: "I'm wining and dining my friends"

The Collaborative International Dictionary of English v.0.48:

Dine \Dine\, v. i. [imp. & p. p. Dined; p. pr. & vb. n.
   Dining.] [F. d[^i]ner, OF. disner, LL. disnare, contr. fr.
   an assumed disjunare; dis- + an assumed junare (OF. juner) to
   fast, for L. jejunare, fr. jejunus fasting. See Jejune, and
   cf. Dinner, D?jeuner.]
   To eat the principal regular meal of the day; to take dinner.
   [1913 Webster]

         Now can I break my fast, dine, sup, and sleep. --Shak.
   [1913 Webster]

   To dine with Duke Humphrey, to go without dinner; -- a
      phrase common in Elizabethan literature, said to be from
      the practice of the poor gentry, who beguiled the dinner
      hour by a promenade near the tomb of Humphrey, Duke of
      Gloucester, in Old Saint Paul's.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dine \Dine\, v. t.
   1. To give a dinner to; to furnish with the chief meal; to
      feed; as, to dine a hundred men.
      [1913 Webster]

            A table massive enough to have dined Johnnie
            Armstrong and his merry men.          --Sir W.
                                                  Scott.
      [1913 Webster]

   2. To dine upon; to have to eat. [Obs.] "What will ye dine."
      --Chaucer.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dine
    v 1: have supper; eat dinner; "We often dine with friends in
         this restaurant"
    2: give dinner to; host for dinner; "I'm wining and dining my
       friends"

Moby Thesaurus II by Grady Ward, 1.0:

32 Moby Thesaurus words for "dine":
   banquet, board, bread, break bread, break bread with, breakfast,
   cook out, dine out, dinner, eat, eat out, feast, feed, fodder,
   forage, grass, gratify, graze, lunch, meat, mess, mess with,
   nibble, nosh, pasture, picnic, provision, regale, satisfy, sup,
   sustain, wine and dine



Easton's 1897 Bible Dictionary:

Dine
   (Gen. 43:16). It was the custom in Egypt to dine at noon. But it
   is probable that the Egyptians took their principal meal in the
   evening, as was the general custom in the East (Luke 14:12).