It means a fabled land that does not exist, so anyone living there is a day-dreamer (and the Greek for it is nephelococcygia
Nephelococcygia (neph-e-lo-coc-cy-gia) is a word used to describe this cloud watching activity.
Don't be surprised if you find hundreds of words hidden in nephelococcygia.
Nephelococcygia (neph-e-lo-coc-cygia) is a word used to describe looking for animal and other shapes in the clouds.
Fantasy plays tend to pose the audience problems about their fantasies, and in the Birds, discussed in terms of foundation myths and cosmogony, Nephelococcygia
has graver faults than Athens and is by no means a solution of the problems it is supposed to resolve.