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

Category: General

2.Definition: (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

Category: General

3.Definition: a line or cut across a fabric that is not at right angles to a side of the fabric

Related Noun(s):bias

Category: General

4.Definition: a punctuation mark (/) used to separate related items of information

Related Noun(s):separatrix, slash, solidus, stroke, virgule

Category: General

5.Definition: an oblique line of squares of the same color on a checkerboard

"The bishop moves on the diagonals"

Category: General