1
: a series of steps or flights of steps for passing from one level to another
—often used in plural but singular or plural in construction
a narrow private stairs—
Lewis Mumford
Lewis Mumford2
: 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.
Recent Examples on the Web
Mini steppers use two pedals to move up and down in a continuous motion that resembles climbing a flight of stairs.
—Jocelyn Solis-Moreira, CNN, 31 Jan. 2025
Walking up a flight of stairs doubles calories burned over walking on a flat surface.
—Nancy Lebrun, Verywell Health, 29 Jan. 2025
Louis Vuitton, Rick Owens, Dior, Willy Chavarria, Junya Watanabe
Best show format: Dior’s stairs and catwalk
Top trends: Tailoring is still confirmed and explored with wide-leg pants, velvet tailoring, varying coat lengths, and double-breasted suits.
—Rhonda Richford, WWD, 27 Jan. 2025
The china is stored in boxes under the stairs in Ms. Dumulong’s home in San Antonio.
—Rukmini Callimachi, New York Times, 23 Jan. 2025
See all Example Sentences for stair 
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Jocelyn Solis-Moreira, CNN, 31 Jan. 2025
Walking up a flight of stairs doubles calories burned over walking on a flat surface.
—Nancy Lebrun, Verywell Health, 29 Jan. 2025
Louis Vuitton, Rick Owens, Dior, Willy Chavarria, Junya Watanabe
Best show format: Dior’s stairs and catwalk
Top trends: Tailoring is still confirmed and explored with wide-leg pants, velvet tailoring, varying coat lengths, and double-breasted suits.
—Rhonda Richford, WWD, 27 Jan. 2025
The china is stored in boxes under the stairs in Ms. Dumulong’s home in San Antonio.
—Rukmini Callimachi, New York Times, 23 Jan. 2025
See all Example Sentences for stair
Articles Related to stair
Dictionary Entries Near stair
Cite this Entry
“Stair.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stair. Accessed 9 Feb. 2025.
Copy CitationKids Definition
stair
noun
ˈsta(ə)r 
ˈste(ə)r
1
: a series of steps or flights of steps for passing from one level to another
—often used in plural
ran down the stairs
2
: one step of a stairway
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