refectory
Room and board will usually only include living accommodations and meals. The rest depends on the place or college attending.
It means you only get the room with no meals provided. You have to get your own breakfast , lunch and evening meals
room and board
Room is just a room board is meals included
In aether the Dining room, Living room, or the kitchen.
the room is for cooking meals for anybody who comes.
refectory
A kitchen house is typically a room within your house that you call the kitchen. This is where you cook, prepare meals, and eat. However, "The Kitchen House" is also a book.
the galley or kitchen
A room in college is typically called a dorm room, where dorm is typically short for "dormitory".
On military vessels the room where the officers met and ate their meals is called the Ward Room.
We call an attic a room on top of a house.