term:

Branch

branch n

: a part of a complex body: as
a : one of the three main divisions of the U.S. or a state government see also executive, judiciary, legislature
b : a division of a business or organization [an insurer's office] see also branch bank at bank

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.