n.
    - a built-up area with a name, defined boundaries, and local government, that is larger than a village and generally smaller than a city. 
▸Brit. dated the chief city or town of a region.
 - the central part of a town or city, with its business or shopping area.
 - densely populated areas, especially as contrasted with the country or suburbs.
 - the permanent residents of a university town. Contrasted with gown.
 
 
  Phrase
  
    - go to town
 informal do something thoroughly or enthusiastically.  - on the town
 informal enjoying the nightlife of a city or town. 
   
  Derivative
  
    - townish adj.
  - townlet n.
  - townward adj. & adv.
  - townwards adv.
 
   
  Etymology
  OE tūn ‘enclosed piece of land, homestead, village’, of Gmc origin.