On the Barre Definition?

A barre is a stationary handrail that provides support for people during various types of exercise. Barres are used extensively in ballet training and warm up exercises, where such exercises are commonly referred to as barre work.

What does barre mean in English?

barré, (fermé) closed, Adj. dense, Adj. shut, Adj.

Is it bar or barre?

The term barre comes from the method of using the index finger to form a rigid "bar" across the strings. The original spelling "barré" is French, translating to "barred".