division

/dɪˈvɪʒ·ən/ n [C/U] (SEPARATION)

Definition

› the separation of something into parts or groups, or one of the parts or groups that has been separated: [U] The division of responsibilities among the officers of the company was spelled out in detail. › A division is a unit of an organization: [C] An army division is commanded by a major general. [C] He works for the company’s research division. [C] The game for the Eastern Division championship of the National Football League is scheduled for tomorrow.

(Definition of division n (SEPARATION) from the Cambridge Academic Content Dictionary © Cambridge University Press)