Ground
The word ground has several meanings:
- The surface of the Earth
- Soil, a mixture of sand and organic material present on the surface of the Earth
- Ground (electricity), in electrical engineering, something that is connected to the Earth or at the voltage defined as zero (in the US, called ground; in the UK, called earth)
- In philosophy, socially grounded arguments are those which take as their starting point social conditions.
- In music, a ground bass is a bass part that continually repeats, while the melody and harmony over it change.