ESPLANA'DE, noun [Latin planus, plain.] 1. In fortification, the glacis of the counter scarp, or the sloping of the parapet of the covered-way towards the country; or the void space between the glacis of a citadel, and the first houses of the town. 2. In gardening, a grass-plat.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI