- To cross-check is defined as to verify or confirm something using alternative sources of information.
When you double check the facts in an article that someone has given you, this is an example of cross-check.
cross-check definition by Webster's New World
transitive verb, intransitive verb
- to check or verify from various sources or points of view
- Ice Hockey to illegally check (an opponent) with one's stick held in both hands and lifted from the ice
an act of cross-checking