first floor

American  

noun

1. the ground floor of a building.

2. the floor above the ground floor of a building.

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first floor British  

noun

1. US and Canadian term: second floor.  the floor or storey of a building immediately above the ground floor

2. another term for ground floor

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Etymology

Origin of first floor

First recorded in 1655–65

Example Sentences

See Examples For:

first floor

“You’ll always have a lobby or a first floor for each of the buildings being for public-serving programs,” said project director Giovanna Araujo.

From Los Angeles Times ● Jun. 12, 2026

The first floor has items from the young Obama's life, including a cast of his handprint.

From Barron's ● Jun. 4, 2026

"It has its own pond and a lift from the very bottom floor that takes you up to the first floor," she added.

From BBC ● May 30, 2026

Meanwhile, we stay on the first floor with the baby while he practices upstairs on the second floor.

From MarketWatch ● May 4, 2026

I wait a few seconds and then stand at the top of the stairwell until I hear that Carlos is back on the first floor.

From "A Soft Place to Land" by Janae Marks