"diagnal" is probably misspelled. Trying diagonal instead Definition of diagonal
diagonal has definitions from the fields of mathematics,geometry
1
[ adjective ] (geometry) at an angle; especially connecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face

Examples

"a diagonal line across the page"

2
[ noun ] (mathematics,geometry) a line or cut across a fabric that is not at right angles to a side

Synonyms

bias

3
[ adjective ] having an oblique or slanted direction
4
[ noun ] an oblique line of squares of the same color on a checkerboard

Examples

"the bishop moves on the diagonals"

5
[ noun ] (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
6
[ noun ] (geometry) a straight line connecting any two vertices of a polygon that are not adjacent
7
[ noun ] a punctuation mark (/) used to separate related items of information
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