Back bounce is a term used in sports and other physical activities. It is a move that involves bouncing a ball or object off of a surface and then catching it. The crossword solutions for the term back bounce are REACT (5 letters), HOP (3 letters), and ECHO (4 letters). REACT means to respond quickly to a situation, HOP means to jump up and down, and ECHO means to repeat a sound. Together, these words describe the action of back bouncing, which is to REACT quickly, HOP up and down, and catch the object after it has bounced off of a surface.