The Collaborative International Dictionary of English v.0.48:

Mowing \Mow"ing\, n.
   1. The act of one who, or the operation of that which, mows.
      [1913 Webster]

   2. Land from which grass is cut; meadow land.
      [1913 Webster]

   Mowing machine, an agricultural machine armed with knives
      or blades for cutting standing grass, etc. It may be drawn
      by a horse or horses, or propelled by a powered engine.
      [1913 Webster]