backstairs

noun

1. (plural, plural-only)A staircase at the rear of a building or one normally only used by servants and tradesmen.

   “Here I diſcovered the ſecret Cauſes of many great Events that have ſurprized the World, how a Whore can govern the Back-ſtairs, the Back-ſtairs a Council, and the Council a Senate.”

   “1905, Ernest William Hornung, “The Spoils of Sacrilege” in A Thief in the Night, Other feet were already in the lower flight of the backstairs; but the upper flight was the one for me, and in an instant we were racing along the upper corridor […]”

2. (plural, plural-only)An indirect or furtive means of access or intercourse.

   “The straight-forward course, they say, would be to proclaim outright, instead of trying to bring it in by the backstairs.”

adj

1. Secret or furtive.

   “[…] if some peers (I am very sorry they are not as many as they ought to be) set themselves, in the great concern of peers and commons, against a back-stairs influence and clandestine government, then the alarm begins; then the constitution is in danger of being forced into an aristocracy.”

   “The danger of the situation was increased by the mischievous conduct of Alderman Townshend, who had been brought down to the House, pale and bandaged from a recent surgical operation, in order to pour forth a diatribe against female caprice and backstairs influence; […]”

   “This backstairs visit was all about sex […]”

2. Scandalous.