Source : Webster's Revised Unabridged Dictionary (1913)

Bespot \Be*spot"\ (b[-e]*sp[o^]t"), v. t. [imp. & p. p.
   {Bespotted}; p. pr. & vb. n. {Bespotting}.]
   To mark with spots, or as with spots.

Source : WordNet®

bespot
     v : mark with, or as if with, spots