cohort

plural cohorts

1. A group of people supporting the same thing or person.

   A sin, an instant of rebellious pride of the intellect, made Lucifer and a third part of the cohorts of angels fall from their glory.

   1916, James Joyce, chapter III, in A Portrait of the Artist as a Young Man, New York, N.Y.: B[enjamin] W. Huebsch, →OCLC, page 154

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   Coyness and caprice have in consequence become a heritage of the sex, together with a cohort of allied weaknesses and petty deceits, that men have come to think venial, and even amiable, in women, but which they would not tolerate among themselves.

   1887 July, George John Romanes, “Mental Differences of Men and Women”, in Popular Science Monthly, volume 31

   A lost dog? — Yes. No succoring cohort surges to the relief. A gang of boys, perhaps, may give chase, but assuredly not in kindness.

   1919, Albert Payson Terhune, chapter VI, in Lad: A Dog, Lost!

2. mathematicsA demographic grouping of people, especially those in a defined age group, or having a common characteristic.

   The 18–24 cohort shows a sharp increase in automobile fatalities over the proximate age groupings.

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   The elderly are market segments, by generations or microgenerations within age cohorts or by historical experience as personality types.

   2002, Merry White, Perfectly Japanese: Making Families in an Era of Upheaval, page 169

   “Zillennials refer to a small cohort born between the early 1990s and the early 2000s,” said Deborah Carr, professor of sociology and director of the Center for Innovation in Social Science at Boston University. “They’re on the cusp of Gen Z and millennial, thus the mash-up label of zillennial.”

   2023 May 10, Terry Ward, “Zillennials: The newest micro-generation has a name”, in CNN

   Regularly eating red and processed meats in particular is associated with a higher risk of type 2 diabetes, according to an analysis of data from 31 study cohorts published Tuesday in the journal The Lancet Diabetes & Endocrinology.

   2024 August 20, Madeline Holcombe, “There is a link between the meat you eat and a chronic disease, according to new research”, in CNN

3. Ancient RomehistoricalgovernmentAny division of a Roman legion, normally of about 500 or 600 men (equalling about six centuries).

   Holonym: legion

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   Meronyms: maniple, century

   Three cohorts of men were assigned to the region.

   But he lost the whole of his first cohort and the centurion of the first line, a man of high rank in his own class, Asinius Dento, and the other centurions of the same cohort, as well as a military tribune, Sext. Lucilius, son of T. Gavius Caepio, a man of wealth, and high position.

   1900, Marcus Tullius Cicero, translated by Evelyn Shuckburgh, Letters to Atticus, section 5.20

   The cohort in which he was centurion was probably the Cohors II Italica civium Romanorum, which a recently discovered inscription proves to have been stationed in Syria before a. d. 69.

   1908, F. Bechtel, “Cornelius”, in Charles G[eorge] Herbermann, Edward A[loysius] Pace, Condé B[enoist] Pallen, Thomas J[oseph] Shahan, John J[oseph] Wynne, editors, The Catholic Encyclopedia: An International Work of Reference on the Constitution, Doctrine, Discipline, and History of the Catholic Church, volume IV (Cland–Diocesan), New York, N.Y.: Robert Appleton Company, →OCLC, page 375, column 2

   But here it is as clear as words can make it: 'Bring every man of the Legions by forced marches to the help of the Empire. Leave not a cohort in Britain.' These are my orders.

   1910, Arthur Conan Doyle, The Last of the Legions

4. An accomplice; abettor; associate.

   He was able to plea down his sentence by revealing the names of three of his cohorts, as well as the source of the information.

5. Any band or body of warriors.

   He ceas’d; and th’ Archangelic Power prepar’d / For ſwift deſcent, with him the Cohort bright / Of watchful Cherubim; […]

   1667, John Milton, “Book X”, in Paradise Lost. […], London: […] [Samuel Simmons], and are to be sold by Peter Parker […]; [a]nd by Robert Boulter […]; [a]nd Matthias Walker, […], →OCLC, signature [Oo4], verso, lines 126–128

6. biologyA natural group of orders of organisms, less comprehensive than a class.
7. A colleague.
8. A set of individuals in a program, especially when compared to previous sets of individuals within the same program.

   The students in my cohort for my organic chemistry class this year are not up to snuff. Last year's cohort scored much higher averages on the mid-term.

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   Apprenticeship programmes supply the industry with an ongoing cohort of qualified talent. It is much cheaper to train new people than to pay inflated wages to attract existing talent. Apprenticeships are also a useful way of teaching the practical, hands-on skills that the modern railway needs.

   2023 March 8, Neil Robertson, “Tackling the skills shortage”, in RAIL, number 978, page 33

present singular third person cohorts · participle present cohorting · participle past cohorted · past cohorted

1. To associate with such a group.

plural CoHorts

1. slanglifestyleA fan of American author Colleen Hoover (born 1979).

   To the CoHorts for your unrivaled support.

   2014, Colleen Hoover, “Acknowledgments”, in Ugly Love, Atria Paperback, →ISBN, page 324

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   Fans — they call themselves “CoHorts” — get tattoos inspired by her work and vote her books to the top of reader polls.

   [2018 July 22, Michael Merschel, “Superstar romance author Colleen Hoover talks about her Texas town and unlikely bookstore”, in The Dallas Morning News

   However, this summer, Hoover—affectionately called CoHo by her huge fan base—gained a whole new legion of CoHorts thanks to the viral nature of social media. […] Lauren [McBride] tells Parade. "I've read nine of her books thus far and consider myself an official CoHort.[…]" […] While I am not a die-hard CoHort, I have read several of Hoover’s books and she is, no doubt, a brilliant writer. […] So, dear readers, are you ready to become a CoHort? We have put together a comprehensive list of Colleen Hoover’s books in order, […]

   2022 January 23, Michelle Parkerton, “Why Author Colleen Hoover Is Trending on TikTok—And All the CoHo Books That You Should Read!”, in Parade, archived from the original on 08 Dec 2022

   Her fans (they call themselves CoHorts) point to these unexpected pivots as part of Hoover's appeal.

   [2022 January 24, Stephanie Merry, “On TikTok, crying is encouraged. Colleen Hoover gets the job done.”, in The Boston Globe, volume 301, number 24, page C10

   Hoover is affectionately called Coho^([sic]) by her enormous fan base, who refer to themselves as CoHorts!

   [2022 May, Emily Evans, “Women Authors Shaping Literature”, in YOUR Williamson, page 92

   “It Starts With Us” had been so eagerly desired by her admirers — CoHorts, some call themselves — that she broke a personal rule: Don’t let “outside influences” determine her next book.

   2022 August 26, Hillel Italie, “Mix of literary, commercial books due in fall”, in The Post-Star, volume 118, number 279, page A7