What does "roofing" mean?

Roofing: The materials of which a roof is composed; materials for a roof. Gwilt.

Additional senses

  1. 2.Hence, the roof itself; figuratively, shelter. "Fit roofing gave." Southey.
  2. 3.(Mining) The wedging, as of a horse or car, against the top of an underground passage. Raymond.

Sources