noun
double room; shared room for two
A room designed for two people, such as a hotel twin/double or a dormitory room shared by two.
このホテルの二人部屋は広くて快適です。
The double rooms in this hotel are spacious and comfortable.
寮では二人部屋を希望する学生が多い。
Many students in the dormitory request a shared room for two.
Compound of 二人 (two people) + 部屋 (room).