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first floor

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noun
the ground floor of a building.
the floor above the ground floor of a building.
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Origin of first floor

First recorded in 1655–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use first floor in a sentence

British Dictionary definitions for first floor

first floor

noun
British the floor or storey of a building immediately above the ground floorUS and Canadian term: second floor
US and Canadian another term for ground floor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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