first floor
Americannoun
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the ground floor of a building.
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the floor above the ground floor of a building.
noun
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US and Canadian term: second floor. the floor or storey of a building immediately above the ground floor
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another term for ground floor
Etymology
Origin of first floor
First recorded in 1655–65
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Wilber Urbina Garcia tossed and turned in bed 23 on the first floor at the Adelanto ICE Detention Center.
From Los Angeles Times ● Jul. 10, 2026
By dawn, it had completely submerged the first floor of their homes.
From BBC ● Jul. 8, 2026
Together they exchanged whispers about an artist’s unknown whereabouts and whether or not they would catch him on his descent to the first floor.
From Los Angeles Times ● Jul. 7, 2026
"The fire service had to come and get my grandmother down with a crane," Estevez told AFP in the tiny two-roomed apartment that she, her husband and children have moved into on the first floor.
From Barron's ● Jun. 17, 2026
The entire first floor was covered with carpeting to muffle the noise made by spectators, and the folding seats had been replaced with upholstered and consequently “soundless” chairs.
From "Endgame" by Frank Brady
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
