The definition of a headline is the title at the top of a newspaper article or a page in a book.
(noun)An example of a headline is the title of the day's most important news story, printed in large type.
Headline is defined as to provide a title, or to be the lead performer.
(verb)See headline in Webster's New World College Dictionary
noun
transitive verb headlined, headlining
See headline in American Heritage Dictionary 4
noun
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