cohort(redirected from Cohort studies)
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cohorta group of persons possessing a common characteristic, such as being born in the same year, or entering school on the same date. The term is usually used in making generalizations derived from quantitative data (see QUANTITATIVE RESEARCH TECHNIQUES).
(Latin cohors ). (1) A tactical subdivision of a legion in ancient Rome from the second century B.c. A legion had ten cohorts, each with from 360 to 600 men.
(2) Figuratively, a tightly knit group of people.
(3) A biological classification category that unites several related orders. For instance, the cohort of the Unguiculata includes the orders Insectívora, Dermoptera, Chiroptera, and Primates.