同どう房ぼう

noun

same room; sharing a room; roommate

General term for sharing a room or being in the same room, such as in a dormitory, hospital, or hotel.

• 大だい学がくの寮りょうで同どう房ぼうの学がく生せいと仲なか良よくなった。

  I became friends with my roommate in the university dormitory.

noun

same prison cell; sharing a cell; cellmate

Specifically refers to sharing a prison cell or being in the same cell.