Source : Webster's Revised Unabridged Dictionary (1913)

Maculation \Mac"u*la"tion\, n. [L. maculatio.]
   The act of spotting; a spot; a blemish. --Shak.

Source : WordNet®

maculation
     n 1: a small contrasting part of something; "a bald spot"; "a
          leopard's spots"; "a patch of clouds"; "patches of thin
          ice"; "a fleck of red" [syn: {spot}, {speckle}, {dapple},
           {patch}, {fleck}]
     2: the act of spotting or staining something [syn: {staining},
        {spotting}]