REFECTORY

Answer: Option D

Restaurant : a place where people pay to sit and eat meals that are cooked and served on the premises.
Parlour : a sitting room in a private house.
Living Room : a room in a house for general everyday use.
Dining Room : a room in a house or hotel in which meals are eaten.
Refectory : a room used for communal meals in an educational or religious institution.


Synonym of Refectory is Dining Room