What is "deckings"

Usage examples of "deckings".

He sipped lukewarm wine and his thoughts raced in a hun-dred directions as he considered the prospects of the changing weather, heard the well-wishes of the various ealdormen of the town directed toward the new officers of the court and the province, con-sidered the resources he knew were setting to work with the replace-ment of the Dragons at the riverside… the Ivanim were no great hands at building, but the rangers of Lanfarnesse were skilled at many crafts, and the Olmernmen vowed to bend their considerable skills with ropes and tackle to move the deckings into place—without oxen, so they claimed, which seemed to him half-magical.