first floor

noun

1. the ground floor of a building.

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

first floor

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

Word History and Origins

Origin of first floor¹

First recorded in 1655–65

Example Sentences

The proposed paediatric department would be relocated within the refurbished ground and first floors of the existing treatment wing within Altnagelvin Hospital.

From BBC

A new deputy manager also set her mind to the task of tackling the smell of urine that permeated the first floor.

From BBC

The first floor is home to the personal apartments of the ambassador.

From BBC

One space, the first floor anteroom, is lined with red and gold silk, with centuries-old paintings hanging on the walls and an elaborately decorative fireplace standing beside a huge floor-to-ceiling window.

From BBC

All occupants of the home were able to evacuate before responding firefighters forced entry to battle the heavy blaze on the first floor and back of the property.

From Los Angeles Times