Backstairs /(băk"stârz`)/

Back·stairs

Backstairs

n.
  1. Stairs in the back part of a house, as distinguished from the front stairs; a second staircase at the rear of a building; hence, a private or indirect way.

Backstairs

a.
  1. Private; indirect; secret; conducted with secrecy; intriguing; -- as if finding access by the back stairs; as, backstairs gossip.
    A backstairs influence.
    Female caprice and backstair influence.
    — Trevelyan.