also: セミダブルベット
semi-double bed; three-quarter bed
A bed size between a single and a double, common in Japanese hotels and apartments. Wasei-eigo; not a standard term in English-speaking countries.
wasei-eigo (Japanese-coined English), from semi-double bed
This hotel room has two semi-double beds.
A semi-double bed is just the right size for living alone.
Variant with interpunct; less common but seen in some contexts.
Wasei-eigo from English 'semi-double' and 'bed'. The term is not used in English-speaking countries, where 'three-quarter bed' or 'small double' might be used instead.