Nouns

(n)partition, dividera vertical structure that divides or separates (as a wall divides one room from another)
(n)partition(computer science) the part of a hard disk that is dedicated to a particular operating system or application and accessed as a single unit
(n)partition(anatomy) a structure that separates areas in an organism
(n)division, partition, partitioning, segmentation, sectionalization, sectionalisationthe act of dividing or partitioning; separation by the creation of a boundary that divides or keeps apart

Verbs

(v)partition, partition offdivide into parts, pieces, or sections“The Arab peninsula was partitioned by the British”
(v)partition, zoneseparate or apportion into sections“partition a room off”