A body of about five or six hundred soldiers; the tenth part of a legion.
- A group or band of people.
- A companion or associate.
- A generational group as defined in demographics, statistics, or market research: "The cohort of people aged 30 to 39 . . . were more conservative” ( American Demographics).
- One of the 10 divisions of a Roman legion, consisting of 300 to 600 men.
- A group of soldiers.