Source : Webster's Revised Unabridged Dictionary (1913)

Arendator \Ar`en*da"tor\, n. [LL. arendator, arrendator, fr.
   arendare, arrendare, to pay rent, fr. arenda yearly rent; ad
   + renda, F. rente, E. rent. Cf. {Arrentation} and {Rent}.]
   In some provinces of Russia, one who farms the rents or
   revenues.

   Note: A person who rents an estate belonging to the crown is
         called crown arendator. --Tooke.