an occurrence where spectators at a sports match rush onto the field, especially in celebration or protest.

plural of pitch class

plural of pitching wedge

(baseball) A pitch thrown with an underarm-to-sidearm motion.

plural of pitch count

plural of concert pitch

(music) the reference pitch to which a group of musical instruments are tuned for a performance / (music) the reference pitch using the standard of A440

To sell goods on the street without a vendor's licence, usually from a small suitcase, wooden crate, etc., ready to depart hurriedly if the authorities arrive.

plural of pitching piece

(carpentry) The horizontal timber supporting the floor of a platform of a stairway, and against which the stringpieces of the sloping parts are supported.