division - noun

an army unit large enough to sustain combat

one of the portions into which something is regarded as divided and which together constitute a whole

the act or process of dividing

an administrative unit in government or business

discord that splits a group

a league ranked by quality

(biology) a group of organisms forming a subdivision of a larger category

(botany) taxonomic unit of plants corresponding to a phylum

a unit of the United States Air Force usually comprising two or more wings

a group of ships of similar type

an arithmetic operation that is the inverse of multiplication; the quotient of two numbers is computed

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

division - thesaurus

class   part   partition   partitioning   section   sectionalisation   sectionalization   segmentation   variance