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.
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