"paintball" in the noun sense
a capsule filled with water-soluble dye used as a projectile in playing the game of paintball
a game that simulates military combat players on one team try to eliminate players on the opposing team by shooting capsules of paint at them
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License