back stairs en · NOUN
Meanings
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(alt-of, alternative, plural, plural-only) Alternative spelling of backstairs.
alt of backstairs
It is consequently my degrading duty to serve this upstart as First Lord of the Treasury, Lord Chief Justice, Commander-in-Chief, Lord High Admiral, Master of the Buckhounds, Groom of the Back Stairs, Archbishop of Titipu, and Lord Mayor, both acting and elect, all rolled into one.
1885, W. S. Gilbert, The Mikado: