bɹɑːntʃ bɹæntʃ ˈsɛkʃən ˈsʌbdɪvɪʒən the act of subdividing; division of something previously divided a section of a section; a part of a part; i.e., a part of something already divided a self-contained part of a larger composition (written or musical) he always turns first to the business section the history of this work is discussed in the next section a division of some larger or more complex organization a branch of Congress botany is a branch of biology the Germanic branch of Indo-European languages an area composed of subdivided lots