معنی کلمه :‌ backstair

Private; indirect; secret; intriguing; -- as if finding access by the back stairs.

1. The act or process of swelling or enlarging; also, the state of being swollen; expansion; tumidity; especially, the swelling up of bodies under the action of heat. The intumescence of nations. Johnson. 2. Anything swollen or enlarged, as a tumor.