Dictionary.com
Thesaurus.com

first floor

American  

noun

  1. the ground floor of a building.

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


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

"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

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.

“IC from SQ21, we have made entry off the Charlie side. I am going to come up front and open that door for you from the inside. First floor has smoke, no active fire inside.”

From Los Angeles Times • Mar. 5, 2023

First floor features two offices, retail space, storage, garage.

From Washington Times • Mar. 19, 2015

First floor includes 1,183 club seats and 42 loge boxes, the loges housing four and six patrons.

From Seattle Times • Jul. 13, 2012

First floor was rad nice and full of great AC too cool the humans down.

From Time Magazine Archive

"First floor, no balcony, and overlook Hyde Park."

From Brood of the Witch-Queen by Rohmer, Sax