Pronunciation: (kō'hôrt),[key] —n. 1. a group or company: She has a cohort of admirers. 2. a companion or associate.
3. one of the ten divisions in an ancient Roman legion, numbering from 300 to 600 soldiers.
4. any group of soldiers or warriors.
5. an accomplice; abettor: He got off with probation, but his cohorts got ten years apiece. 6. a group of persons sharing a particular statistical or demographic characteristic: the cohort of all children born in 1980. 7. Biol.an individual in a population of the same species.