| 1. | Baseball. either of the two lines connecting home plate with first and third base respectively, or their continuations to the end of the outfield. |
| 2. | Also called free throw line. Basketball. a line on the court 15 ft. (4.6 m) from the backboard, from which foul shots are taken. |
| 3. | Bowling. a line on an alley at right angles to the gutters and 60 ft. (18.3 m) from the center of the spot for the headpin, across which a bowler may not step for fair delivery of the ball. |