division in WordNet English dictionary

1. a unit of the United States Air Force usually comprising two or more wings
   division  air division 
   
2. a league ranked by quality
   "he played baseball in class D for two years"; "Princeton is in the NCAA Division 1-AA"
   class  division 
   
3. the act or process of dividing
   division 
   
4. an arithmetic operation that is the inverse of multiplication; the quotient of two numbers is computed
   division 
   
5. the act of dividing or partitioning; separation by the creation of a boundary that divides or keeps apart
   division  partition  partitioning  segmentation  sectionalization  sectionalisation 
   
6. one of the portions into which something is regarded as divided and which together constitute a whole
   "the written part of the exam"; "the finance section of the company"; "the BBC's engineering division"
   part  section  division 
   
7. discord that splits a group
   division  variance 
   
8. an army unit large enough to sustain combat
   "two infantry divisions were held in reserve"
   division 
   
9. a group of ships of similar type
   division  naval division 
   
10. an administrative unit in government or business
    division 
    
11. (botany) taxonomic unit of plants corresponding to a phylum
    division 
    
12. (biology) a group of organisms forming a subdivision of a larger category
    division