Lagging \Lag"ging\, n.
   1. (Mach.) The clothing (esp., an outer, wooden covering), as
      of a steam cylinder, applied to prevent the radiation of
      heat; a covering of lags; -- called also deading and
      cleading.
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   2. Lags, collectively; narrow planks extending from one rib
      to another in the centering of arches.
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Cleading \Clead"ing\, n. [Scot., clothing. See Cloth.]
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   1. A jacket or outer covering of wood, etc., to prevent
      radiation of heat, as from the boiler, cylinder. etc., of
      a steam engine.
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   2. The planking or boarding of a shaft, cofferdam, etc.
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