Definition of point number in English:

point number

Pronunciation /ˈpɔɪnt ˌnʌmbə/

noun

  • 1(originally and chiefly US). In the game of craps: any of the numbers four, five, six, eight, nine, or ten as thrown by a player, which he or she must then throw again (or throw a seven) in order to end the betting round.

  • 2Theatre
    In a musical: a song which is integral to the action, as serving to advance the plot, etc.

Origin

1920s. From point + number.