crosspost
verb
to post (a message or other content) to more than one forum or on more than one platform, either simultaneously or by copying from one to another.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The streets were deep in mud; Martie smiled as she read the crossposts: "High Street," "Maple Avenue," and "Sunset Avenue."
From Martie, the Unconquered by Kathleen Thompson Norris