BACKSTAIRS Meaning of BACKSTAIRS in English transcription, транскрипция: [ ˈbækˈstɛəz ]n.pl. 1 stairs at the back or side of a building. 2 (also backstair) (attrib.) denoting underhand or clandestine activity. English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012