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."