Noun
An extramundane region where certain classes of souls were supposed to await the judgment.
Hence: Any real or imaginary place of restraint or confinement; a prison; as, to put a man in limbo.
A border or margin; as, the limbus of the cornea.
Source: Webster's dictionaryThere were also protests by other ethnic groups, such as the Tharus, Rais, and Limbus. Source: Internet