noun
A hotel room with one double bed, typically for two people. Compare with ツインルーム (twin room with two single beds).
ダブルルームを一泊予約しました。
I booked a double room for one night.
このホテルのダブルルームは広くて快適です。
The double rooms at this hotel are spacious and comfortable.
Variant with a middle dot; less common in everyday writing.
Loanword from English 'double room'.