Cohort or cohortes means ‘’’A definite group of people’’’, derived from the assimilated form of com (with) plus chorus (act together) from PIE verb *gher- (to grasp, to enclose). It may refer to:
Specific cohort types Sociological Cohort (military unit), the basic tactical unit of a Roman legion Cohort (educational group), a group of students working together through the same academic curriculum
Scientific Cohort (statistics), a group of subjects with a common defining characteristic, for example age group Cohort (floating point), a set of different encodings of the same numerical value Cohort (taxonomy), in biology, one of the taxonomic ranks Cohort study, a form of longitudinal study used in medicine and social science Cohort analysis, a subset of behavioral analytics that takes the data from a given data set Generational cohort, an aggregation of individuals who experience the same event within the same time interval
Gaming Cohort Studios, a video game development company "Cohort", a disc golf putter by Infinite Discs
Cohortes (Roman) Cohortes urbanae, the riot police of Ancient Rome, also pressed into use as a military unit Cohortes vigilum, the firefighters and police of Ancient Rome