Answer
Yokozuna is the highest rank in sumo wrestling, and it is the rank that Yokozuna's ring name references. The name "Yokozuna" literally means "horizontal rope," and it refers to the thick rope that is worn around the waist of a yokozuna wrestler. The rope is a symbol of the wrestler's strength and power, and it is also a reminder of the wrestler's responsibility to uphold the traditions of sumo wrestling.