In ancient times, a cohort was a military unit, one of ten divisions in a Roman legion. The term passed into English in the 15th century, when it was used in translations and writings about …

Definition of cohort noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

COHORT definition: 1. a group of people who share a characteristic, usually age: 2. a group of people who support a…. Learn more.

USAGE A cohort was originally one of the ten divisions of a legion in the Roman army, containing from 300 to 600 men. The most common use of cohort today is in the sense “group” or …

cohort, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

A cohort is a group of people, as in The senator is traveling with a large cohort. It can also refer to an associate or companion, as in I’m meeting up with some of my cohorts from my days as a …

A cohort was originally one of the ten divisions of a legion in the Roman army, containing from 300 to 600 men. The most common use of cohort today is in the sense "group'' or "company'': …

A generational group as defined in demographics, statistics, or market research: "The cohort of people aged 30 to 39 ... were more conservative" (American Demographics).

COHORT meaning: 1 : a friend or companion; 2 : a group of people used in a study who have something (such as age or social class) in common

Dec 14, 2025 · cohort (third-person singular simple present cohorts, present participle cohorting, simple past and past participle cohorted) To associate with such a group.