noun
- An imaginary line on the surface of the earth following (approximately) the 180th meridian.
- synonyms: dateline, International Date Line
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Date Line. Retrieved September 21, 2026, from http://smartdefine.org/date_line/definitions/1269174 |
| Chicago | WordNet. 2010. "Date Line" http://smartdefine.org/date_line/definitions/1269174 (accessed September 21, 2026). |
| Harvard | WordNet 2010, Date Line, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/date_line/definitions/1269174>. |
| MLA | WordNet. "Date Line" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/date_line/definitions/1269174> |