Karate belt is a term used to describe the colored belts worn by practitioners of karate. The two crossword solutions for the term are OBI (3 letters) and CHOP (4 letters). OBI is a sash worn around the waist of a karate practitioner, while CHOP is a karate technique that involves striking with the side of the hand. Both of these terms are essential components of karate and are often associated with the colored belts worn by practitioners.