| 1. | the evening meal, often the principal meal of the day. |
| 2. | any light evening meal, esp. one taken late in the evening: an after-the-theater supper. |
| 3. | of or pertaining to supper: the supper dishes. |
| 4. | for, during, or including supper: a supper party. |
"Formerly, the last of the three meals of the day (breakfast, dinner, and supper); now applied to the last substantial meal fo the day when dinner is taken in the middle of the day, or to a late meal following an early evening dinner. Supper is usually a less formal meal than late dinner." [OED]Applied since c.1300 to the last meal of Christ.
Supper
the principal meal of the day among the Jews. It was partaken of in the early part of the evening (Mark 6:21; John 12:2; 1 Cor. 11:21). (See LORD'S SUPPER.)