The Collaborative International Dictionary of English v.0.48:

Vicontiel \Vi*con"ti*el\, a. [From OE. vicounte a viscount. See
   Viscount.] (O. Eng. Law)
   Of or pertaining to the viscount or sheriff of a county.
   [1913 Webster]

   Vicontiel rents. See Vicontiels.

   Vicontiel writs, such writs as were triable in the sheriff,
      or county, court.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Vicontiels \Vi*con"ti*els\, n. pl. [See Vicontiel.] (O. Eng.
   Law)
   Things belonging to the sheriff; especially, farms (called
   also vicontiel rents) for which the sheriff used to pay
   rent to the king.
   [1913 Webster]