branch · noun C /brɑːntʃ/
branch (TREE)
B1 one of the many parts of a tree that grows out from its trunk
Dictionary example:
Birds often make nests in the top branches of the tree.
Learner example:
She slowly climbed the tree and sat on one of the biggest branches. (First Certificate in English; B2; Polish)
branch (BUSINESS)
B1 one of several shops, offices, etc. that are part of a company or organization
Dictionary examples:
I used to work in the local branch of a large bank.
She's a branch manager.
Learner example:
He has come from our branch office in New York, where he worked as [an] assistant. (Preliminary English Test; B1; Spanish)
branch (SUBJECT)
B2 a part of a subject
Dictionary example:
Immunology is a branch of biological science.
Learner example:
As a matter of fact, in[n]ovations have taken place quite frequently in every branch of science. (First Certificate in English; B2; Portuguese)