Cases of word usage

1) a room or building for music, dancing and gambling (casino)

2) a metal bar used for moving coal in a fire; a card-game used for gambling (poker)

3) a flat-bottomed boat; many of these supporting a roadway over a river; a kind of card-game used for gambling (pontoon)

4) a gambling game in which a ball falls by chance into a numbered hole in a wheel (roulette)

5) a pointed length of wood or metal (to be) hit into the ground as a post (for a fence) or as a support (for something, e.g. plants, young trees); a sum of money risked when gambling (stake)

6) a system of gambling (on a horse race) in which the money paid is divided among winners (sweepstake)

7) money won as a result of gambling (winnings)