a game in which numbered balls are drawn at random and players cover the corresponding numbers on their cards
source: WordNet 3.0
A game of chance, played with cards, on which are inscribed numbers, and any contrivance (as a wheel containing numbered balls) for determining a set of numbers by chance. The player holding a card having on it the set of numbers drawn from the wheel takes the stakes after a certain percentage of them has been deducted for the dealer. A variety of lotto is called keno.
