partition

An action which divides a thing into parts, or separates one thing from another.

A part of something that has been divided.

An approach to division in which one asks what the size of each part is, rather than (as in quotition) how many parts there are.

To divide something into parts, sections or shares

To divide a region or country into two or more territories with separate political status

To separate or divide a room by a partition (ex. a wall), often use with off