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