What is another word for back circle?
Pronunciation: [bˈak sˈɜːkə͡l] (IPA) 
The term "back circle" has several synonyms depending on the context in which it is used. In geometry, it can be called a posterior arc or a rear curvature. In athletics, it can be referred to as a reverse loop, a backwards circle or a counter-clockwise spin. In fashion, it can be known as a halterneck or a racerback top, both featuring a circular shape at the back. In anatomy, it can be called the vertebral column or spinal cord. The context in which the term is used influences which synonym is most appropriate to use.
