Koppelfenster

== German == === Etymology === From koppeln (“to couple or interlink”) +‎ Fenster (“window”). === Pronunciation === IPA(key): [ˈkɔpl̩ˌfɛnstɐ] Hyphenation: Kop‧pel‧fens‧ter === Noun === Koppelfenster n (strong, genitive Koppelfensters, plural Koppelfenster) (architecture) mullioned window Synonyms: gekuppeltes Fenster, Zwillingsfenster ==== Declension ==== ==== Related terms ==== Bogenfenster