Final answer:
The term [sheh-NAY] is a ballet term, spelling 'chainés,' and refers to rapid, spinning turns performed in a straight line or circle.
Step-by-step explanation:
The term [sheh-NAY] refers to B) Rapid turns in ballet. It is a French term spelling 'chaînés' that describes a series of quick, spinning turns on the balls of the feet or pointe shoes that are executed in a straight line or in a circle. These turns are a fundamental part of classical ballet and are used in various dances to create a whirlwind effect. Proper technique and body alignment are crucial for the execution of clean, smooth chaîné turns.