Lobby

[Cami]

1. v. i. To pay politicians under the table to get them to be more agreeable to your employers point of view, be it for or against something.
2. n. A particular group of people who engage in lobbying, e.g. the gun lobby. see also [lobbyist].

[Dave Paprocki]

A room providing a space out of which one or more other rooms or corridors lead, typically one near the entrance of a public building.