This article is from the Ballet and Modern Dance FAQ, by Tom Parsons twp@panix.com with numerous contributions by others.
The barre is a handrail, approximately waist-high, that dancers
use to steady themselves during the first part of a ballet class. The
barre provides a reference point; it can be used to provide resistance,
as when you press down on it to lengthen the spine; and it is your first
partner. "Barre" is also a shorthand term for exercises done at the barre;
dancers frequently refer to "doing a barre," for example to warm up just
before performing.
 
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