The Oxford Thesaurus An A-Z Dictionary of Synonyms - branchn.

1) offshoot, arm; limb, bough, stem, shoot, twig, sprig: The branches of this tree need trimming. 2) department, section, subsection, division, subdivision, office, part, ramification; affiliate, subsidiary; spin-off: What branch of medicine are you going to specialize in? The company maintains branches in New York and Melbourne. --v. 3) ramify, divide, subdivide, diverge; diversify: This road branches off in three directions. The company will branch out into electronics this year.