0 the floor of a building that is at the same level as the ground outside:
1 on or relating to the floor of a building that is at the same level as the ground outside:
2 the floor in a building that is nearest the level of the ground
3 to be involved in a project or business activity from the beginning:
It's a pleasant enough place, despite having bars on the ground-floor windows.
But given that shops and stores on the ground-floor levels were not occupied, the real figures for the upper floors were higher than that.
Of the eight respondents who lived on their own in a two-storey property (including one ground-floor maisonette), seven suffered from arthritis, some severely.
It was also a commercial centre: its porticoes provided shelter for a variety of vendors, whereas artisans and even the occasional dentist occupied the ground-floor apartments of its houses.