dateline Meaning, Definition & Usage

1. noun an imaginary line on the surface of the earth following (approximately) the 180th meridian
   date line; International Date Line.
   
2. noun a line at the beginning of a news article giving the date and place of origin of the news dispatch
   
3. verb mark with a date and place
   date-mark; datemark.
   
   • dateline a newspaper article

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