1. (noun) an illegal pitch in which a foreign substance (spit or Vaseline) is applied to the ball by the pitcher before he throws it

• spitter

1. (noun) a projectile made by chewing a piece of paper and shaping it into a sphere

• missile
• projectile

2. (noun) an illegal pitch in which a foreign substance (spit or Vaseline) is applied to the ball by the pitcher before he throws it

• delivery
• pitch