Esplanade

Noun

1. A clear space between a citadel and the nearest houses of the town.
2. The glacis of the counterscarp, or the slope of the parapet of the covered way toward the country.
3. A grass plat; a lawn.
4. Any clear, level space used for public walks or drives; especially, a terrace by the seaside.
5. Grassy strips between two divided highway lanes; a traffic island.