ground floor 
noun British
The floor of a building at ground level: [as modifier]: a ground-floor flat...
- It was a ground-floor flat in one of the redbrick two-storey buildings that made up one side of Ormond Square.
- Opposite this is an anonymous-looking office building with a large ground-floor window.
- He said the attacker left by a taxi, only to return later on foot and smash a ground-floor window to the building.
Phrases
get in on the ground floor
- good even
- good evening
- good fairy
- good faith
- good-faith residence
- good-father
- goodfella
- goodfellowhood
- good-fellowish
- good-fellowly
- good fellowship
- good-fitting
- good folk
- good form
- good-for-naught
- good-for-nothing
- good-for-nothingness
- good-for-nought
- good for (or on) you (or him, her, etc.)!
- good-for-something
- good for the soul
- Good Friday
- Good Friday agreement
- good-going
- good graces