noun
cohort
KOH-hort/ˈkəʊhɔːrt/
A group sharing a purpose or experience.
The cohort of graduates stands together in matching gowns, holding their diplomas.

Etymology
Latin cohors meant an enclosure, then an enclosed group or company of soldiers. The group sense broadened to people united by a common cause or sharing a characteristic, such as birth year.
In context
about this large cohort of downwardly mobile young people
More examples
- Researchers follow the same cohort of children for ten years.
- The survey compares spending habits across different age cohorts.
- Our cohort of volunteers meets weekly to plan neighborhood cleanups.
Forms
cohort · cohorts
Similar words
- group
- A broader term that does not require a shared characteristic.
- class
- Often groups people by educational level or social position.
- generation
- Specifically groups people born or living around the same time.