A casino is a gambling establishment where a variety of games of chance can be played. A casino might include a number of other entertainment features, such as restaurants and free drinks, stage shows and dramatic scenery, but casinos would not exist without the billions of dollars that patrons spend there on games of chance…

A slit or other narrow opening for receiving something, as a coin or a letter. Also used to refer to a position or assignment, as in the case of an airport slot that grants an airline the right to operate at specific times, or to a section of ice hockey rink occupied by face-off circles.…