B1[I or T]to (cause to) separate into parts or groups: At the end of the lecture, I'd like all the students to divide into small discussion groups.After the Second World War Germany was divided into two separate countries.Separating and dividingC1[T]to share: I think we should divide (up) the costs equally among/between us.Separating and dividingB2[T]If something divides two areas, it marks the edge or limit of them: There's a narrow alley that divides our house from the one next door.This path marks the dividing line between my land and my neighbour's.Isolating and separating›[T]to use different amounts of something for different purposes or activities: She divides her time between her apartment in New York and her cottage in Yorkshire.Separating and dividing›[I]UKIf Members of Parliament divide, they vote by separating into two groups, one group who want the law that is being voted on to be accepted and one group who are against it: After a lengthy debate, MPs/the House of Commons divided.Elections