From Longman Dictionary of Contemporary Englishtwin room/bedroomtwin room/bedrooma room that contains two single beds All the twin rooms have private bathrooms. → twin
Examples from the Corpus
twin room/bedroom• All of the twin rooms and most of the singles have an en-suite shower/WC.• The twin bedrooms are airy, spacious and comfortably furnished.• All the twin rooms are comfortable, and all overlook the attractive courtyard.• Bedrooms have telephone and twin rooms have a balcony.• Some twin rooms have a balcony.• Half board prices are based on twin rooms which can take two extra sofa beds.• Some twin bedrooms which will have a balcony and sea view are available at a supplement.• Prices are based on two people sharing a twin room with private facilities. 