From 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]
From 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]