Apron
1. Raised panel below a window or wall monument or tablet.
2. Open portion of a marine terminal immediately adjacent to a vessel berth, used in the direct transfer of cargo between the vessel and the terminal.
3. Concrete slab immediately outside a vehicular door or passageway used to limit the wear on asphalt paving due to repetitive turning movements or heavy loads.
Source: https://en.wikipedia.org/wiki/Glossary_of_architecture