pitching

Etymology

verb

1. present participle and gerund of pitch
   As the pilot fought the hijackers for control the aeroplane was pitching wildly.

noun

1. The act of throwing or casting.
   wild pitching in baseball
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 c. 1874, Henry Mayhew, London Characters
3. (engineering) A facing of stone laid upon a bank to prevent wear by tides or currents.