A room in a building, house, or other structure. The most common meaning.
自分の部屋で勉強する。
I study in my room.
This room is very spacious, isn't it?
Used to refer to one's own living space, especially in casual conversation. Often implies a rented apartment or a personal room within a shared house.
週末は友達の部屋に泊まった。
I stayed at my friend's apartment over the weekend.
新しい部屋を探している。
I'm looking for a new place.
sumo stable
Abbreviation of 相撲部屋. Refers to a training stable for sumo wrestlers. Domain-specific sumo term.
See also: 相撲部屋
彼は若い頃、ある部屋で稽古に励んだ。
In his youth, he trained hard at a certain stable.
その力士は部屋を移籍した。
That wrestler transferred to another stable.
I decided to rent an apartment in Tokyo.
The former yokozuna started his own sumo stable.
I plan to tidy up my room this weekend.
He stayed shut up in his room all day.
I'm looking for an apartment because I'm moving.
I knocked before entering the room.
部屋 is the general word for any room, while 客室 specifically means a room set aside for guests or passengers.
部屋 is a general word for any room, while 居室 specifically denotes a room used for daily living.
room · apartment; flat
servants' quarters; room for servants
separate room; different room; another room
wrestlers from the same stable
female servants' quarters · women's room; room with women · women's jail
bedroom; sleeping room
small room; closet; cubicle; booth; stall
messy room; dirty room
room for menservants
corner room; corner apartment