Definitions of diagonal

  1. a punctuation mark (/) used to separate related items of information
  2. ( mathematics) a set of entries in a square matrix running diagonally either from the upper left to lower right entry or running from the upper right to lower left entry
  3. an oblique line of squares of the same color on a checkerboard; " the bishop moves on the diagonals"
  4. ( geometry) a straight line connecting any two vertices of a polygon that are not adjacent
  5. A right line drawn from one angle to another not adjacent, of a figure of four or more sides, and dividing it into two parts.
  6. A member, in a framed structure, running obliquely across a panel.
  7. A straight oblique line dividing a rectangular figure into equal parts.
  8. A straight line so drawn.
  9. A line so drawn.
  10. A straight line or plane passing from one angle, as of a square, to any other angle not adjacent.
  11. Right line so drawn.
  12. A straight line drawn from one angle to another opposite angle, and dividing the figure into two parts, as in a square.
  13. Diagonally.
  14. a line or cut across a fabric that is not at right angles to a side of the fabric
  15. Joining two not adjacent angles of a quadrilateral or multilateral figure; running across from corner to corner; crossing at an angle with one of the sides.
  16. Extending from one angle to another.
  17. Through the corners, or from angle to an opposite angle of a four or many sided figure.
  18. Passing from one angle to another not adjacent; oblique.
  19. Extending from one angle to an opposite of a quadrilateral or multilateral figure, and dividing it into two.
  20. Drawn from one corner or angle to another.