Source : Webster's Revised Unabridged Dictionary (1913)

Verderer \Ver"der*er\, Verderor \Ver"der*or\, n. [F. verdier,
   LL. viridarius, fr. L. viridis green.] (Eng. Forest Law)
   An officer who has the charge of the king's forest, to
   preserve the vert and venison, keep the assizes, view,
   receive, and enroll attachments and presentments of all
   manner of trespasses. --Blackstone.