from The Century Dictionary.

  • noun The shortest line between two points on the earth's surface; the geodetic line.


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  • Only because humans figured out early that a straight line between two points is shorter than a brachisthode, are Americans able to sing and tell the tale of John Henry, the steel-drivin' man.

    Interesting that the shortened URL I used for the John Henry link contains "DIG"!

    December 1, 2011