lobby

/ˈlɒbi/ verb [I or T] GOVERNMENT

Definition

› to try to persuade someone in authority, usually an elected member of a government, to support laws or rules that give your organization or industry an advantage: lobby against/for sth He lobbies against restrictions on investment.lobby hard/heavily A coalition of business groups lobbied hard to have the legislation changed.lobby congress/lawmakers/ministers He said private schools would lobby the General Assembly to restore the funding.lobby to do sth After the fatal crash, safety experts blamed the fuel-tank design and lobbied to make the cars safer.

(Definition of lobby verb from the Cambridge Business English Dictionary © Cambridge University Press)