Definition of "Partition" :

noun: the act of dividing or partitioning; separation by the creation of a boundary that divides or keeps apart

noun: a vertical structure that divides or separates (as a wall divides one room from another)

noun: (anatomy) a structure that separates areas in an organism

noun: (computer science) the part of a hard disk that is dedicated to a particular operating system or application and accessed as a single unit

verb: separate or apportion into sections

"Partition a room off."

verb: divide into parts, pieces, or sections

"The Arab peninsula was partitioned by the British."