dateline meaning and definition

DATELINE noun

Definition of dateline (noun)

1. an imaginary line on the surface of the earth following (approximately) the 180th meridian
   • synonyms: date line, International Date Line
2. a line at the beginning of a news article giving the date and place of origin of the news dispatch

DATELINE verb

Definition of dateline (verb)

1. mark with a date and place
   • "dateline a newspaper article"
   • synonyms: datemark, date-mark