What is the meaning of Esplanade?

A clear space between a citadel and the nearest houses of the town.

The glacis of the counterscarp, or the slope of the parapet of the covered way toward the country.

A grass plat; a lawn.

Any clear, level space used for public walks or drives; especially, a terrace by the seaside.

Grassy strips between two divided highway lanes; a traffic island.

esplanade

esplanade, plaza, square, piazza

Source: wiktionary.org