The Collaborative International Dictionary of English v.0.48:
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
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.