spiraltrappa

== Norwegian Bokmål == === Alternative forms === spiraltrappen === Noun === spiraltrappa m or f definite feminine singular of spiraltrapp == Norwegian Nynorsk == === Noun === spiraltrappa f definite singular of spiraltrapp == Swedish == === Etymology === spiral (“spiral”) +‎ trappa (“staircase”) === Noun === spiraltrappa c a spiral staircase ==== Declension ==== === References === “spiraltrappa”, in Svensk ordbok [Dictionary of Swedish] (in Swedish) “spiraltrappa”, in Svenska Akademiens ordbok [Dictionary of the Swedish Academy] (in Swedish)