break

• 1. a forcible disruption or separation of parts; a breaking; a fracture, rupture, or shattering.
• 2. Music the point in the scale where the quality of voice of one register changes to that of another, as from chest to head.
• 3. Printing a wordbreak.
• 4. Billiards
  • a. the shot that breaks or scatters the balls at the beginning of the game.
  • b. the right to the first shot.