Webster’s Revised Unabridged Dictionary · 1913
Lobby
Lob′by, n.; pl. Lobbies (#). [LL. lobium, lobia, laubia, a covered portico fit for walking, fr. OHG. louba, G. laube, arbor. See Lodge.] 1. (Arch.) 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. 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. [U.S.]
3. (Naut.) An apartment or passageway in the fore part of an old-fashioned cabin under the quarter-deck.
4. (Agric.) A confined place for cattle, formed by hedges. trees, or other fencing, near the farmyard.
Lobby member, a lobbyist. [Humorous cant, U. S.]
Lob′by, v. i. [imp. & p. p. Lobbied; p. pr. & vb. n. Lobbying.] To address or solicit members of a legislative body in the lobby or elsewhere, with the purpose to influence their votes.[U.S.] Bartlett.
Lob′by, v. t. To urge the adoption or passage of by soliciting members of a legislative body; as, to lobby a bill. [U.S.]