Source : Webster's Revised Unabridged Dictionary (1913)

Destructor \De*struct"or\, n.
   A furnace or oven for the burning or carbonizing of refuse;
   specif. (Sewage Disposal), a furnace (called in full

   {refuse destructor}) in which the more solid constituents of
      sewage are burnt. Destructors are often so constructed as
      to utilize refuse as fuel.

Destructor \De*struc"tor\, n. [L., from destruere. See
   {Destroy}, and cf. {Destroyer}.]
   A destroyer. [R.]

         Fire, the destructor and the artificial death of
         things.                                  --Boyle.

Source : Free On-Line Dictionary of Computing

destructor
     
         A {function} provided by a {class} in {C++} and
        some other {object-oriented languages} to delete an object,
        the inverse of a {constructor}.
     
        (1998-04-28)