From The Collaborative International Dictionary of English v.0.48 [gcide]: Lobby \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; in an extended sense, to try to influence decision-makers in any circumstance. [U.S.] --Bartlett. [1913 Webster]