Source : Webster's Revised Unabridged Dictionary (1913)

Coving \Cov"ing\, n. (Arch.)
   (a) A cove or series of coves, as the concaved surface under
       the overhang of a projecting upper story.
   (b) The splayed jambs of a flaring fireplace.

Cove \Cove\, v. t. [imp. & p. p. {Coved} (k?vd); p. pr. & vb. n.
   {Coving}.] (Arch.)
   To arch over; to build in a hollow concave form; to make in
   the form of a cove.

         The mosques and other buildings of the Arabians are
         rounded into domes and coved roofs.      --H.
                                                  Swinburne.

   {Coved ceiling}, a ceiling, the part of which next the wail
      is constructed in a cove.

   {Coved vault}, a vault composed of four coves meeting in a
      central point, and therefore the reverse of a groined
      vault.