Definition of diagonal

The noun diagonal has 5 senses? (no senses from tagged texts)

((geometry) a straight line connecting any two vertices of a polygon that are not adjacent)

(a line or cut across a fabric that is not at right angles to a side of the fabric)

(an oblique line of squares of the same color on a checkerboard; "the bishop moves on the diagonals")

((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)

(a punctuation mark (/) used to separate related items of information)

The adj diagonal has 2 senses? (first 1 from tagged texts)

(connecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face; "a diagonal line across the page")

(having an oblique or slanted direction)