Division could mean:

Processes:

• Division (mathematics), a binary operation that serves as the inverse of multiplication
  • Division (electronics), digital implementation of mathematical division
• Division (vote), a manner by which the votes of legislators are recorded
• Division (horticulture), a method of vegetative plant propagation, or the plants created by using this method
• Division (music) a specific type of ornamentation, most common in 17th century English music
• Cell division, the process in which biological cells multiply
• Continental divide, the geographical term for separation between catchment areas of a continent
• North-South divide, the geopolitical term for the division between rich nations and poor nations
• Segmentation

Units/ Entities:

• Division (organisation), a subsidiary of a larger organisation
  • Division (business), a separate named business operated as a part of an organization
  • Division (military), a unit typically consisting of from 10,000 to 20,000 troops
  • Police division, a large unit (often a Basic Command Unit) of the British police
• Division (sport), a group of teams in sport
• Division (botany), a classification of plants (the botanical counterpart to zoology's phylum)
• Administrative division, part of a country
• A county constituency or Parliamentary seat in the UK Parliament
• A subpart of a hundred (division), former administrative unit in England and Wales
• Census division

Music:

• A grouping of pipe ranks in a pipe organ, often with its own case, windchest, and keyboard
• Divisions, a type of variation form used in the baroque.
• Division viol, an English Renaissance instrument

Miscellaneous:

• In nautical navigation the compass is called dividers