Dine, Dinner - Vine's Expository Dictionary of New Testament Words
Dine, Dinner[ A-1,Verb,G709, aristao ]
primarily, to breakfast" (See B), was later used also with the meaning "to dine," e.g., Luke 11:37; in John 21:12,15, RV, "break your fast," and "had broken their fast," for AV, "dine;" obviously there it was the first meal in the day. In the Sept., Genesis 43:25; 1 Samuel 14:24; 1 Chronicles 13:7.
[ B-1,Noun,G712, ariston ]
primarily, "the first food," taken early in the morning before work; the meal in the Pharisee's house, in Luke 11:37, was a breakfast or early meal (See RV, marg.); the dinner was called deipnon. Later the breakfast was called akratisma (not in NT), and dinner, ariston, as in Matthew 22:4; Luke 11:38; Luke 14:12.