The Collaborative International Dictionary of English v.0.48:

Constablewick \Con"sta*ble*wick`\, n. [Constable + wick a
   village]
   The district to which a constable's power is limited. [Obs.]
   --Sir M. Hale.
   [1913 Webster]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

CONSTABLEWICK. In England, by this word is meant the territorial
jurisdiction of a constable. 5 Nev. & M. 261.