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   di·ag·o·nal

   /dīˈaɡən(ə)l/

   adjective

   • 1. (of a straight line) joining two opposite corners of a square, rectangle, or other straight-sided shape.
   • ▪ (of a line) straight and at an angle; slanting: "a tie with diagonal stripes"

   noun

   • 1. a straight line joining two opposite corners of a square, rectangle, or other straight-sided shape.
   • ▪ the set of elements of a matrix that lie on a line joining two opposite corners.
   • ▪ a slanting straight pattern or line: "the bars of light made diagonals across the entrance"
   • ▪ a slanting row of squares whose color is the same.

   Word Origin mid 16th century: from Latin diagonalis, from Greek diagōnios ‘from angle to angle’, from dia ‘through’ + gōnia ‘angle’.

   Scrabble Points: 10

   • D

     2

   • I

     1

   • A

     1

   • G

     2

   • O

     1

   • N

     1

   • A

     1

   • L

     1

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