noun
Refers to a newspaper published in a language other than Japanese, typically in Japan or for a Japanese audience.
彼は毎朝、外字新聞で世界のニュースをチェックしている。
Every morning, he checks world news in a foreign-language newspaper.
外国新聞 is a more general term for a newspaper from a foreign country, while 外字新聞 specifically emphasizes the foreign language used in the publication.
Compound of 外字 (がいじ, 'foreign characters/letters') and 新聞 (しんぶん, 'newspaper').