Definition that contains ground level
- basement the lowermost portion of a structure partly or wholly below ground level; often used for storage
- cellar the lowermost portion of a structure partly or wholly below ground level; often used for storage
- grading changing the ground level to a smooth horizontal or gently sloping surface
- midair some point in the air; above ground level
- leveling changing the ground level to a smooth horizontal or gently sloping surface
- grade-constructed constructed at ground level
- ground plan a floor plan for the ground level of a building