The stair carpet gets a lot of wear and tear and will soon need replacing.
A concave bend of a handrail where a sharp change in level or direction occurs,AS at a stair landing.
The horizontally projecting EDGE of a stair tread.
With a sort of voluptuous creaking in his joints he climbed the stair above Mr Charrington's shop
Watch it—the bottom stair is loose!
The top stair is broken.
To SIT without approaching the stair way
The TWO children were having a competition to see who could stair the other out.
The children had to be got under the stair whenever there was an air raid
A rough path descended like a steep stair into the plain(J.R.R.Tolkien)