The term "waist anchor" is commonly used in boating and sailing, but there are other synonyms that can refer to the same concept. One such synonym is "belly anchor," which is often used in the fishing industry. Another is "hip anchor," which is used in kayaking and canoeing. "Torso anchor" and "midsection anchor" are also used in various water sports. In addition, the term "waistline anchor" can be used to refer to the same device. Whatever term is used, the purpose of the waist anchor or any of its synonyms is to provide a secure anchor point for water sports enthusiasts, enabling them to safely and confidently navigate the waves.