major newspaper; leading newspaper
Refers to a newspaper with large circulation and influence, often a national paper. Used in news and formal contexts.
The major newspapers reported the incident on the front page.
His comment was quoted in the leading newspapers.
地方紙 is a local or regional newspaper, often contrasted with 主要紙 which are usually national or widely influential.
Compound of 主要 (shuyō, 'main, principal') and 紙 (shi, 'paper, newspaper').