资料来源 : Webster's Revised Unabridged Dictionary (1913)

Pitching \Pitch"ing\, n.
   1. The act of throwing or casting; a cast; a pitch; as, wild
      pitching in baseball.

   2. The rough paving of a street to a grade with blocks of
      stone. --Mayhew.

   3. (Hydraul. Eng.) A facing of stone laid upon a bank to
      prevent wear by tides or currents.

   {Pitching piece} (Carp.), the horizontal timber supporting
      the floor of a platform of a stairway, and against which
      the stringpieces of the sloping parts are supported.