Definition of "predate"

To designate a date earlier than the actual one; to move a date, appointment, event, or period of time to an earlier point (contrast "postdate".)  examples

(transitive) To exist or to occur before something else; to antedate.  quotations  examples

A publication, such as a newspaper or magazine, that is issued with a printed date later than the date of issue.  examples

To prey upon something.  examples