c. 1600, "place on a shore where persons or goods are landed from boats," verbal noun from land (v.1). In architecture, "part of a floor adjoining a flight of stairs," also "resting place interrupting a flight of stairs," 1789. Landing place is from 1510s.
imaginary city built in air, 1830, translating Aristophanes' Nephelokokkygia in "The Birds" (414 B.C.E.). Cloud-land "place above the earth or away from the practical things of life, dreamland, the realm of fancy" is attested from 1840.