balkline
/ˈbɔkˌlaɪn/
noun
- A line drawn on a billiard or pool table that marks the area from which a player must shoot after a foul or at the start of a game.
- After the scratch, the opponent placed the cue ball behind the balkline.
- The player carefully aimed from behind the balkline to make a difficult shot.
- In some billiard games, you must keep one foot on the floor behind the balkline when shooting.