cohort

cohort

Biology a taxonomic group that is a subdivision of a subclass (usually of mammals) or subfamily (of plants)

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

cohort

a 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).

Collins Dictionary of Sociology, 3rd ed. © HarperCollins Publishers 2000

cohort

[′kō‚hȯrt]

(statistics)

A group of individuals who experience a significant event, such as birth, during the same period of time.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Cohort

 

(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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.