Source : Webster's Revised Unabridged Dictionary (1913)

Urban \Ur"ban\, a. [L. urbanus belonging to the ?ity or town,
   refined, polished, fr. urbs, urbis, a city: cf. F. urbain.
   Cf. {Urbane}.]
   1. Of or belonging to a city or town; as, an urban
      population.

   2. Belonging to, or suiting, those living in a city;
      cultivated; polite; urbane; as, urban manners.

   {Urban servitude}. See {Predial servitude}, under
      {Servitude}.

Source : WordNet®

urban
     adj 1: relating to or concerned with a city or densely populated
            area; "urban sociology"; "urban development"
     2: located in or characteristic of a city or city life; "urban
        property owners"; "urban affairs"; "urban manners" [ant: {rural}]