Definitions

from The Century Dictionary.

  • noun The boundary-line between neighboring regions where the calendar day is different.

from the GNU version of the Collaborative International Dictionary of English.

  • The hypothetical line on the surface of the earth fixed by international or general agreement as a boundary on one side of which the same day shall have a different name and date in the calendar from its name and date on the other side. Also called International Date Line.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun an imaginary line on the surface of the earth following (approximately) the 180th meridian
  • noun an imaginary line on the surface of the earth following (approximately) the 180th meridian
  • verb mark with a date and place
  • noun a line at the beginning of a news article giving the date and place of origin of the news dispatch

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