
In certain platform games, you can perform a second jump after the first while in mid-air, allowing you to reach high platforms.
Found on
http://videogamecritic.com/glossary.htm

the advance of a pawn, in its original move only, from its initial position on the second rank to the fourth without stopping at the intervening square. · the capturing of two of the opponent's checkers in two uninterrupted jumps, constituting a single move by one piece.
Found on
https://www.infoplease.com/dictionary/double-jump

A jump in which the skater completes two revolutions in the air (except in the case of the double Axel, in which the skater actually completes two-and-a-half revolutions).
Found on
https://www.nbcolympics.com/news/figure-skating-101-glossary
No exact match found.