Ice skater's leap
I believe the answer is:
'ice skater's leap' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for axel that I've seen before include "part of skating performance" , "What skater may do" , "Jump executed on ice" , "A Torvill & Dean manoeuvre" , "Manoeuvre by skater" .)