Es`pla*nade" (?), n. [F. esplanade, Sp. esplanada, explanada, cf. It. spianata; fr. Sp. explanar to level, L. explanare to flatten or spread out. See Explain.]
1. Fort. (a)
A clear space between a citadel and the nearest houses of the town. Campbell (Mil. Dict. )
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; esp., a terrace by the seaside.
© Webster 1913.