（某组织的）喉舌，宣传工具（指报纸或广播电台）
a newspaper or broadcasting station produced by a particular organization and giving only the opinions of that organization
The newspaper Pravda was the official organ of the Communist Party in the Soviet Union. 《真理报》曾是苏联共产党的官方报纸。
You can hardly call a radio station that's essentially an organ of the state part of the free press.
That news channel is an organ of the church in Italy.
The cable news network was widely considered to be the organ of the Republican Party.
During this era, the paper was seen by some as the organ of the left.
See also: organ (NEWSPAPER)