Dictionary
deck•ing
Pronunciation: (dek'ing), [key]—
n.
1. material, as paper or fiberboard, treated in various ways as a waterproof covering for a deck or roof.
2. material of concrete, asbestos, steel, or the like, in the form of self-supporting flooring or roofing units laid between joists or rafters.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.