noun
: a railway whose tracks are mainly on the surface rather than beneath it (as in a subway) or above it on a superstructure (as in an elevated railway)
noun
: a railway whose tracks are mainly on the surface rather than beneath it (as in a subway) or above it on a superstructure (as in an elevated railway)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012