a room or corridor used as an entrance hall, vestibule, etc

a hall in a legislative building used for meetings between the legislators and members of the public

one of two corridors in a legislative building in which members vote

a group of persons who attempt to influence legislators on behalf of a particular interest

to attempt to influence (legislators, etc) in the formulation of policy

to act in the manner of a lobbyist

to apply pressure or influence for the passage of (a bill, etc)