What is the meaning of partition?

noun

• A vertical structure that divides or separates (as a wall divides one room from another.
  • synonyms: divider
• Computer science. ( the part of a hard disk that is dedicated to a particular operating system or application and accessed as a single unit)
• Anatomy) a structure that separates areas in an organism. (
• The act of dividing or partitioning; separation by the creation of a boundary that divides or keeps apart.
  • synonyms: division, partitioning, segmentation, sectionalization, sectionalisation

verb

• Divide into parts, pieces, or sections.
  • usage: "The Arab peninsula was partitioned by the British"
  • synonyms: partition off
• Separate or apportion into sections.
  • usage: "partition a room off"
  • synonyms: zone