THE GOSPEL ACCORDING TO MARK - Chapter 14 - Verse 15
Verse 15. A large upper room. The word used here denotes the upper room devoted to purposes of prayer, repose, and often of eating. See Barnes "Mt 9:2".
Furnished and prepared. Literally, spread and ready. Spread with a carpet, or with couches, such as were used in eating. See Barnes "Mt 23:6".