Ladder vs. Stair

Difference Between Ladder and Stair
Laddernoun
A frame, usually portable, of wood, metal, or rope, used for ascent and descent, consisting of two side pieces to which are fastened rungs (cross strips or rounds acting as steps).
Stairnoun
A single step in a staircase.
Laddernoun
(figuratively) A series of stages by which one progresses to a better position.
Stairnoun
A series of steps; a staircase.
Laddernoun
(figuratively) The hierarchy or ranking system within an organization, such as the corporate ladder.
Stairnoun
support consisting of a place to rest the foot while ascending or descending a stairway;
he paused on the bottom stepLaddernoun
A length of unravelled fabric in a knitted garment, especially in nylon stockings; a run.
Laddernoun
In the game of go, a sequence of moves following a zigzag pattern and ultimately leading to the capture of the attacked stones.
Ladderverb
To arrange or form into a shape of a ladder.
Ladderverb
To ascend (a building, a wall, etc.) using a ladder.
Ladderverb
Of a knitted garment: to develop a ladder as a result of a broken thread.
Oh damn it, I've laddered my tights!Laddernoun
steps consisting of two parallel members connected by rungs; for climbing up or down
Laddernoun
ascending stages by which somebody or something can progress;
he climbed the career ladderLaddernoun
a row of unravelled stitches;
she got a run in her stockingLadderverb
come unraveled or undone as if by snagging;
Her nylons were running