The Collaborative International Dictionary of English v.0.48:

Reverberatory \Re*ver"ber*a*to*ry\, a.
   Producing reverberation; acting by reverberation;
   reverberative.
   [1913 Webster]

   Reverberatory furnace. See the Note under Furnace.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Reverberatory \Re*ver"ber*a*to*ry\, n.
   A reverberatory furnace.
   [1913 Webster]