Abarim Publications' online Biblical Greek Dictionary
The noun δειπνον (deipnon) means meal, both in the sense of a portion of food and the whole process of settling down to consume food displayed on a table: a dinner (or breakfast or lunch), whether privately or with family, or some formal dinner or elaborate dinner feast with the primary purpose of entertaining one's guests.
It's unclear where this word comes from, although a kinship might exist with the Proto-Indo-European root "deh-", to share or divide. This noun is used 16 times in the New Testament, see full concordance, and from it comes:
- The verb δειπνεω (deipneo), meaning to make or have a meal. This verb is used 4 times; see full concordance.