Meaning of roughing-in

rough•ing-in

Pronunciation: (ruf'ing-in'), [key]
— n. Building Trades.
  1. the act or process of applying a base coat of plaster to a masonry surface.
  2. the act or process of installing plumbing that will later be concealed.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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