__ Boxing, Throwing Air Punches as Practice
This page is the CodyCross answer for the clue below from Brazilian Tour, Group 766, Puzzle 1 (The Pantanal).
Question is: __ Boxing, Throwing Air Punches as Practice
and the answer is: SHADOW
Word Meaning:
SHADOW — A dark image projected onto a surface where light (or other radiation) is blocked by the shade of an object.
Definitions from Wiktionary.