The Collaborative International Dictionary of English v.0.48:
Luster \Lus"ter\, Lustre \Lus"tre\, v. t. [imp. & p. p.
   Lustred; p. pr. & vb. n. Lustering, or Lustring.]
   To make lustrous. [R. & Poetic]
   [1913 Webster]
         Flooded and lustered with her loosened gold. --Lowell.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Lustering \Lus"ter*ing\, n.
   1. The act or process of imparting a luster, as to pottery.
      [1913 Webster]
   2. The brightening of a metal in the crucible when it becomes
      pure, as in certain refining processes.
      [1913 Webster] Lusterless