Adverb
In a diagonal direction.
Source: Webster's dictionaryshe lives diagonally across the street from us Source: Internet
A knight (桂) jumps at an angle intermediate to orthogonal and diagonal, amounting to one square straight forward plus one square diagonally forward, in a single move. Source: Internet
Alternative Chords can be shifted diagonally in major-thirds tuning and other regular tunings. Source: Internet
A hierarchy can link entities either directly or indirectly, and either vertically or diagonally. Source: Internet
A gold general (金) moves one square orthogonally, or one square diagonally forward, giving it six possible destinations. Source: Internet
An important variation is the downward hook kick, delivered as a regular or a spin-back kick, in which the end of the trajectory is diagonally downwards for a surprise effect or following an evading opponent. Source: Internet