room an area within a building enclosed by walls and floor and ceiling; "the rooms were very small but they had a nice view"
edifice,
building a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"
Verb
lobby -
detain in conversation by or as if by holding on to the outer garments of; as for political or economic favors
lobby -
To attempt to influence a public official or decision-maker in favor of a specific opinion or cause.
OmegaWiki Dictionary
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lobby A room in a building which is used for entry from the outside.
lobby A large, vast room or complex of rooms (in a theatre, opera, concert hall, showroom, cinema, etc.) where the audience members can rest, eat, etc., adjacent to the auditorium.
lobby A class or group of people who try to lobby or influence public officials; collectively, lobbyists.