Synonyms: ground floor, ground level, first floor
Definition: the floor of a building that is at or nearest to the level of the ground around the building
Similar words: floor, level, storey, story
Definition: a structure consisting of a room or set of rooms at a single position along a vertical scale
Usage: what level is the office on?
Synonyms: ground floor
Definition: becoming part of a venture at the beginning (regarded as position of advantage)
Usage: he got in on the ground floor
Similar words: beginning
Definition: the event consisting of the start of something
Usage: the beginning of the war