›to separate into parts or groups, or to cause something to separate in such a way: [T]Divide the cake into six equal parts.[I]The votes divided equally for and against the proposal.›If something divides two areas, it marks the edge or limit of both of them: [T]A narrow driveway divides our house from the one next door.›To divide a group of people is to cause them to disagree: [T]The issue of tax reform continues to divide the country.