Pair of stairs

Related to Pair of stairs: pair of steps
a set or flight of stairs. - pair, in this phrase, having its old meaning of a set. See Pair, n., 1.

See also: Stair

References in classic literature ?
It is number 92, up four pair of stairs," Jos said, perhaps not very willing to ascend the steps again; but he placed himself in the window of his drawing-room, which commands the place on which the Elephant stands, and saw the pair marching through the market.
It was indeed a moveable pair of stairs, the lowest end placed at ten feet distance from the wall of the chamber.
You remember the beaver which a naturalist tells us "busied himself as earnestly in constructing a dam in a room up three pair of stairs in London as if he had been laying his foundation in a lake in Upper Canada.
The room, or rather garret, in which Molly lay, being up one pair of stairs, that is to say, at the top of the house, was of a sloping figure, resembling the great Delta of the Greeks.
Eventually, however, they stumbled upon two small rooms up three pair of stairs, or rather two pair and a ladder, at a tobacconist's shop, on the Common Hard: a dirty street leading down to the dockyard.
Nioche lives in the same house, up six pair of stairs, across the court, in and out of whose ill-swept doorway Miss Noemie has been flitting for the last five years.
I told him that though my cargo of tobacco was damaged, yet that it was not quite lost; that the merchant I had been consigned to had so honestly managed for me that I had not wanted, and that I hoped, with frugal management, I should make it hold out till more would come, which I expected by the next fleet; that in the meantime I had retrenched my expenses, and whereas I kept a maid last season, now I lived without; and whereas I had a chamber and a dining-room then on the first floor, as he knew, I now had but one room, two pair of stairs, and the like.
Nadia would find climbing a pair of stairs a challenge, let alone the great outdoors with her father," says Gollings.
Everybody endeavouring to remove their goods, and flinging into the river or bringing them into lighters that lay off; poor people staying in their houses as long as till the very fire touched them, and then running into boats, or clambering from one pair of stairs by the waterside to another.
200 YEARS AGO: Tuesday evening, a girl servant to Mr Benson, in Leadenhall Street, alarmed by an idea that thieves had got into the house, the family being absent, leaned out of a three pair of stairs window to call the watch, when holding by the window curtain, the rod gave way, and falling into the street, her right thigh was fractured.
Best built at a sturdy comer, it consists of an opposing pair of stairs (one going up, the other down, as they say).