1. (

• diagonal ,

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

2. (

• diagonal ,
• bias

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

3. (

• diagonal

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

4. (

• diagonal ,

) (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 ;

5. (

• solidus ,
• slash ,
• virgule ,
• diagonal ,
• stroke ,
• separatrix

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

1. (

• diagonal ,

) 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" ;

2. (

• aslant ,
• aslope ,
• diagonal ,
• slanted ,
• slanting ,
• sloped ,
• sloping

) having an oblique or slanted direction ;