branch
Pronunciation: /brɑːn(t)ʃ/
noun
- a part of a tree which grows out from the trunk or from a bough: Sophie was in the branches of a tree eating an apple
- a lateral extension or subdivision extending from the main part of a river, road, railway, etc.: a branch of the Clinton River
- a division or office of a large business or organization, operating locally or having a particular function: he went to work at our Birmingham branch
- a conceptual subdivision of a family, subject, group of languages, etc.: a branch of mathematics called graph theory
verb
- 1(of a road or path) divide into one or more subdivisions: follow this track south until it branches into two
- (branch off) diverge from the main route or part: the road branched off at the market town
- (branch out) extend or expand one’s activities or interests in a new direction: the company is branching out into Europe

Origin:
Middle English: from Old French branche, from late Latin branca 'paw'