Source : Webster's Revised Unabridged Dictionary (1913)

Tillage \Till"age\, n.
   1. The operation, practice, or art of tilling or preparing
      land for seed, and keeping the ground in a proper state
      for the growth of crops.

   2. A place tilled or cultivated; cultivated land.

   Syn: Cultivation; culture; husbandry; farming; agriculture.

Source : WordNet®

tillage
     n 1: arable land that is worked by plowing and sowing and raising
          crops [syn: {cultivated land}, {farmland}, {plowland}, {ploughland},
           {tilled land}, {tilth}]
     2: the cultivation of soil for raising crops