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
- electromotor
- electro-muscular
- electro-musical
- electromyogram
- electromyograph
- electromyographic
- electromyographically
- electromyography
- electron
- electron acceptor
- electron affinity
- electronarcosis
- electronarcotic
- electron beam
- electron camera
- electron cloud
- electron-deficient
- electron-dense
- electron density
- electron diffraction
- electron donor
- electronegative
- electronegatively
- electronegativity
- electronervous