secondary boycott

Noun

 * 1) A boycott of one organization to put pressure on another organization which is the real target.
 * 2) * 1962 National Labor Relations Board
 * The National Labor Relations Board today ruled that the Miami Printing Pressmen's union conducted unlawful secondary boycott picketing of the Detroit Free Press, which, like the Miami Herald where the Pressmen were on strike, is owned by Knight Newspapers, Inc.