| noun | an army unit large enough to sustain combat “two infantry divisions were held in reserve” |
| noun | one of the portions into which something is regarded as divided and which together constitute a whole “the written part of the exam” |
| noun | the act or process of dividing |
| noun | an administrative unit in government or business |
| noun | discord that splits a group |
| noun | a league ranked by quality “he played baseball in class D for two years” |
| noun | (biology) a group of organisms forming a subdivision of a larger category |
| noun | (botany) taxonomic unit of plants corresponding to a phylum |
| noun | a unit of the United States Air Force usually comprising two or more wings |
| noun | a group of ships of similar type |
| noun | an arithmetic operation that is the inverse of multiplication; the quotient of two numbers is computed |
| noun | the act of dividing or partitioning; separation by the creation of a boundary that divides or keeps apart |
| divisional | adjective | of or relating to a military division |
| section | verb | divide into segments |
| divide | verb | separate into parts or portions |
| classify | verb | assign to a class or kind |
| partitionist | noun | an advocate of partitioning a country |
| partition | verb | divide into parts, pieces, or sections |
| segment | verb | divide into segments |
| sectionalize | verb | divide into sections, especially into geographic sections |
| sectionalise | verb | divide into sections, especially into geographic sections |