1. (n.) A passage or hall of communication, especially when large enough to serve also as a waiting room. It differs from an antechamber in that a lobby communicates between several rooms, an antechamber to one only; but this distinction is not carefully preserved.

2. (n.) That part of a hall of legislation not appropriated to the official use of the assembly; hence, the persons, collectively, who frequent such a place to transact business with the legislators; any persons, not members of a legislative body, who strive to influence its proceedings by personal agency.

3. (n.) An apartment or passageway in the fore part of an old-fashioned cabin under the quarter-deck.

4. (n.) A confined place for cattle, formed by hedges. trees, or other fencing, near the farmyard.

5. (v. i.) To address or solicit members of a legislative body in the lobby or elsewhere, with the purpose to influence their votes.

6. (v. t.) To urge the adoption or passage of by soliciting members of a legislative body; as, to lobby a bill.

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