(computing) An electronic message posted to multiple newsgroups simultaneously. / (computing) An act of crossposting.

(computing, transitive, intransitive) To post (a message) to multiple newsgroups simultaneously.

simple past tense and past participle of crosspost

present participle of crosspost

plural of crosspost

Third-person singular simple present indicative form of crosspost

plural of crossposter

One who crossposts.