pitching

noun3

1. •
   The act of throwing or casting.
2. •
   The rough paving of a street to a grade with blocks of stone.

   • All this testifies to that yearning for green fields and rural sports which a life amidst bricks, pavements and pitching-stones — 1874
3. •
   A facing of stone laid upon a bank to prevent wear by tides or currents.