partition

Noun

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

• (anatomy) a structure that separates areas in an organism

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

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

Verb

• separate or apportion into sections
  • partition a room off
    

• divide into parts, pieces, or sections
  • The Arab peninsula was partitioned by the British
    

Related words

• Synonyms: 
  division , partitioning , segmentation , sectionalization , sectionalisation , divider , zone , partition off