1.a vertical structure that divides or separates (as a wall divides one room from another)
2.the act of dividing or partitioning; separation by the creation of a boundary that divides or keeps apart
3.(computer science) the part of a hard disk that is dedicated to a particular operating system or application and accessed as a single unit
1.divide into parts, pieces, or sections;
The Arab peninsula was partitioned by the British
2.separate or apportion into sections;
partition a room off