lagging

Definitions

General Science

  • noun the material used to insulate pipes

Construction

  • Heavy wood boards used to line the sides of excavations and prevent cave-ins.
  • Preformed insulation for pipes and tanks.

Real Estate

  • noun insulating material used to keep heat from escaping, especially round a pipe or hot water tank
  • noun a wooden frame used in building, especially to support an arch while it is being built

Slang

  • adjective very attractive, gorgeous. An item of student slang in use in London and elsewhere since around 2000.
  • noun a period of imprisonment. The word has sometimes had the specific sense of a term of three years or more.
http://www.dictionarycentral.com/definition/lagging.html