1) Drill 2) Exercise 3) Form of sparring 4) Practice 5) Practice session 6) Practicing pugilism 7) Recitation 
== Details == Most boxing trainers prefer that their fighters do their shadow boxing before engaging in any other daily exercise routines. The main purpose of this exercise, apart from getting the muscles ready for another activity, is usually to maintain a fighter`s rhythm and show the fighter how they would look at that stage of training agains....
[n] - sparring with an imaginary opponent (for exercise or training)
noun sparring with an imaginary opponent (for exercise or training)