secondary boycott
noun[C]
WORKPLACEukusasituationin which yourefuseto dobusinesswith acompanyin anattempttopersuadethem not to dobusinesswith anothercompanywhere theemployeesarestrikingorinvolvedin adisagreementwiththeiremployers:
In thiscountry,picketingof thesuppliersorcustomersof acompanywhere theworkersare onstrikeconstitutesasecondaryboycottand isillegal.