Cohort

What Is a Cohort?

A cohort is a collection of people who share an experience or characteristic over time, and is often applied as a method of defining a population for the purposes of research.

So a Cohort is a group of people with a shared characteristic: "a cohort of civil servants patiently drafting legislation"

In history, a Cohort was an ancient Roman military unit, comprising six centuries, equal to one tenth of a legion.

As a verb, to Cohort means to divide (people) into groups with shared characteristics: