From Longman Dictionary of Contemporary Englishcohortco‧hort /ˈkəʊhɔːt $ ˈkoʊhɔːrt/ noun [countable] 1 GROUP OF PEOPLEsomeone’s cohorts are their friends who support them and stay loyal to them – used to show disapproval Mark and his cohorts eventually emerged from the studio.2 technical a group of people of the same age, social class etc, especially when they are being studied a cohort of 386 patients aged 65 plus
Examples from the Corpus
cohort• Our findings are based on a cohort of women seeking insemination treatment because their partners had a fertility problem.• The 74 million Baby-Boom cohort dwarfs the 40 million Generation Xers.• It hit 58 percent in a gay cohort in Denver by 1985, and 58 percent in Seattle in 1986.• Hawk and his cohorts cheated Jack out of a fortune.• It is highly probable that many of those in the initial cohort of patients would have died.• "Baby boomers" are the largest cohort of Americans living today.• Figures for 1984 show 67. 4 percent of the cohort infected.• The overall in-hospital mortality of 15.6% of this cohort was similar to short-term mortality of similar cohorts in previous studies.• By 1984,43. 7 percent of the New York cohort was infected.Origin cohort (1400-1500) Latin cohors “enclosed place, people in an enclosure, unit of soldiers in the ancient Roman army” 