Definition of stair
1 : a series of steps or flights of steps for passing from one level to another —often used in pl. but singular or plural in construction a narrow private stairs — Lewis Mumford
2 : a single step of a stairway
Examples of stair in a sentence
She ran down the stairs.
He waited at the foot of the stairs.
She slipped and fell down the stairs.
The stairs lead to the roof.
We had to climb another flight of stairs to get to the roof.
He tripped on the bottom stair and almost fell.
Origin and Etymology of stair
Middle English steir, from Old English stǣger; akin to Old English & Old High German stīgan to rise, Greek steichein to walk
First Known Use: before 12th century
STAIR Defined for English Language Learners
Definition of stair for English Language Learners
stairs : a series of steps that go from one level or floor to another
: one of the steps in a set of stairs
STAIR Defined for Kids
Definition of stair for Students
1 : a series of steps or flights of steps for going from one level to another —often used in pl. Children ran down the stairs.
2 : one step of a stairway
Seen and Heard
What made you want to look up stair? Please tell us where you read or heard it (including the quote, if possible).