What is "meidan"

Maidan \Mai*dan"\, n. [Written also midan, meidan, mydan, etc.] [Hind. & Per. maid[=a]n, fr. Ar. maid[=a]n.] In various parts of Asia, an open space, as for military exercises, or for a market place; an open grassy tract; an esplanade.

A gallop on the green maidan.
--M. Crawford.

n. (alternative spelling of maidan English) An urban open space.