partition

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

the partitions of Poland

And good from bad find no partition.

A part of something that has been divided.

the Russian Partition

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.

The division of a territory into two or more autonomous ones.

Monarchies where partition isn't prohibited risk weakening through parcellation and civil wars between the heirs.

A vertical structure that divides a room.

a brick partition; lath and plaster partitions

To divide something into parts, sections or shares.

to partition a hard drive

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

Poland was progressively partitioned by Russia, Austria, and Prussia in the late 18th century.

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