present participle of pitch

The act of throwing or casting. / The rough paving of a street to a grade with blocks of stone. / (engineering) A facing of stone laid upon a bank to prevent wear by tides or currents.

plural of pitching

present participle of pitch in

(transitive, intransitive, idiomatic) To help out; lend assistance; contribute; to do one's part to help. / To begin briskly.

A sticky, gummy substance secreted by trees; sap. / A dark, extremely viscous material remaining in still after distilling crude oil and tar. / (geology) Pitchstone.

To cover or smear with pitch. / To darken; to blacken; to obscure.

A throw; a toss; a cast, as of something from the hand. / (baseball) The act of pitching a baseball.

(transitive) To throw. / (transitive or intransitive, baseball) To throw (the ball) toward a batter at home plate. / (intransitive, baseball) To play baseball in the position of pitcher.

(music, phonetics) The perceived frequency of a sound or note.