Definitions
1.NounA group of people supporting the same thing or person.
2.NounA demographic grouping of people, especially those in a defined age group, or having a common characteristic."The 18–24 cohort shows a sharp increase in automobile fatalities over the proximate age groupings."
3.NounAny division of a Roman legion, normally of about 500 or 600 men (equalling about six centuries)."Three cohorts of men were assigned to the region."
4.NounAn accomplice; abettor; associate."He was able to plea down his sentence by revealing the names of three of his cohorts, as well as the source of the information."
5.NounAny band or body of warriors.
6.NounA natural group of orders of organisms, less comprehensive than a class.
7.NounA colleague.
8.NounA set of individuals in a program, especially when compared to previous sets of individuals within the same program."The students in my cohort for my organic chemistry class this year are not up to snuff. Last year's cohort scored much higher averages on the mid-term."
9.VerbTo associate with such a group.