noun
vacant room; available room
Refers to an unoccupied room in a hotel, apartment, or house that is available for use or rent.
このホテルには空き部屋がありません。
This hotel has no vacant rooms.
空き部屋を探しています。
I'm looking for a room to rent.
More formal term for a vacant room, often used in business contexts like hotel management or real estate.
Compound of 空き (あき, 'empty') and 部屋 (へや, 'room').