cross-post

cross-post (also crosspost ) Computing ▶verb [ with obj. ] post a single message to multiple Internet newsgroups or message boards. ▶noun a message posted to more than one newsgroup or message board. we strongly recommend that crossposts be to relevant newsgroups only.

cross-posting

cross-post ing ▶noun the simultaneous sending of a message to more than one newsgroup or other distribution system on the Internet in such a way that the receiving software at individual sites can detect and ignore duplicates.

cross-posting

cross-posting ▶noun [ mass noun ] 1 the transfer of an employee or officer to a different department, industry, or regiment. 2 the simultaneous sending of a message to more than one newsgroup on the Internet in such a way that the receiving software at individual sites can detect and ignore duplicates. DERIVATIVES cross-post verb & noun