Cohort

Cohort may mean:

• Cohort (group), a group or band of people.
• Cohort (companion), a companion or associate.
• Cohort (academic), a group of students who began an academic program in the same year, usually graduate students.
• Cohort (military unit), a component element of a Roman legion.
• Cohort (statistics), an age group in statistics and biology, from which derives
  • Cohort study, a form of longitudinal study used in medicine and social science,
  • A cohort-based course in E-learning is one that relies on the interaction with a group of classmates,
  • In the Skull and Bones fraternity, a cohort is a year's group of initiates.
• Cohort (computer science), a concept in computer science.
• A term in taxonomy for a group of allied orders or families of plants or animals.
• A supporter, as used in American English from around 1950. Used in plural "cohorts" and usually in a negative sense as in "Cohorts in crime". Apparently a malapropism derived from the older "cahoots".

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