cos

C3O1S1
US/kɑs/UK/kɒs/UK/kɒz/UK/kəz/

noun

Synonym of romaine lettuce, a long-leaved variety of lettuce.

CommonScrabble 5

Meanings

cos1

nouncos (plural coses)

plural coses

  1. UKSynonym of romaine lettuce, a long-leaved variety of lettuce.

    Synonyms: romaine lettuce

cos2

conjunction
  1. IrelandSouth AfricaUKinformalAfrican-American VernacularInformal spelling of 'cause (“because”).

    Taking the shortcut through the alleyway by the Jobcentre Plus, just cos I can, we arrive at my flat within minutes.

    2021, Isabel Waidner, Sterling Karat Gold, Peninsula Press, page 161

cos3

nouncos (plural cosses)

plural cosses

  1. alternativeinformalAfrican-American VernacularAlternative form of coz, cousin.

cos4

noun
  1. pluralplural of co
determiner

alternative co's

  1. nonstandardBelonging to co. Gender-neutral possessive determiner, grammatically equivalent to the gendered his and her and the singular their.

    Psychiatrists are trained to try to impose the responsibility for a patient’s problem on the patient coself, rather than on cos environment.

    1973, Michael Glenn, Richard Kunnes, Repression or Revolution?: Therapy in the United States Today, Harper Colophon Books, →ISBN, page 53
    2 more examples

    WHEREAS a child’s sexuality is just as much a part of cos whole person from birth as the blood that flows in cos veins, making cos sexual rights inherent and inalienable […]

    1975, Valida Davila, “A Child’s Sexual Bill of Rights”, in Bernhardt J. Hurwood, editor, The Whole Sex Catalogue, New York, N.Y.: Pinnacle Books, published 1976, →ISBN, page 287

    Co absents coself from the Community for more than three weeks beyond the point of having made satisfactory arrangements with the Community with regard to cos absence.

    1986, Ingrid Komar, Living the Dream: Twin Oaks Community 1979-1982, Louisa, Va.: Twin Oaks Community, →OCLC, page 355

cos5

nouncos (plural coses or cos)

plural coses

  1. alternativeAlternative form of coss, a traditional Nepali unit of distance.

    The stages and distances are as follows:—Hitounda to Bhainsa Dobháng, 3½ cos; to Bhimphédy, 4 cos; to Tambakhâni, 3 cos; to Chitlong, 3 cos; to Thankot, 3 cos; to Káthmándú, 3 cos—Total, 19½ cos.

    1857, Brian Houghton Hodgson, Selections from the Records of the Government of Bengal, No. XXVII: Papers Relative to the Colonization, Commerce, Physical Geography, &c., &c., of the Himalaya Mountains and Nepal, p. 22

cos6

nouncos (uncountable)
  1. colloquialuncountableCosmetology.
    1 more example

    Miss Julie's School of Beauty is a startup, nonprofit cosmetology school based in Rochester designed to empower those at risk and survivors of human trafficking through vocational training. ¶ "The thing is we are not just another cosmetology school," Chapus said. "We are not a for-profit cos school where everybody and anybody can come to. We are a therapeutic support cosmetology school with a restorative aspect."

    2023 July 19, Wendy Wright, quoting Julie Chapus, “Rochester woman helping trafficking survivors start over with cosmetology”, in Spectrum News, archived from the original on 20 Jul 2023

Cos7

proper noun
  1. alternativeAlternative spelling of Kos, an island of the Aegean, Greece.

CoS8

proper noun
  1. abbreviationinitialismInitialism of Chamber of Secrets.

Synonyms & antonyms

nounSynonym of romaine lettuce, a long-leaved variety of lettuce.

More synonyms by meaning

nounratio of the adjacent side to the hypotenuse of a right-angled triangle

Similar

nounlettuce with long dark-green leaves in a loosely packed elongated head

Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

cos · noun

  1. Arabicخس“lettuce”
  2. Englishcos

Clipping of cos lettuce, variously derived from the Greek island of Kos and from Arabic خس (ḵass, “lettuce”).

Full word history & related roots →

cos · noun, determiner

  1. Englishcompanyclip.
  2. Englishco
  3. Englishcos

From co + -s.

Full word history & related roots →

Cos · proper noun

  1. Ancient GreekΚῶς
  2. LatinCos
  3. EnglishCos

From Latin Cos, from Ancient Greek Κῶς (Kôs).

Full word history & related roots →

Rhymes & wordplay

Rhymes with cos

All rhymes →

Anagrams

Cite this entry
APA

cos. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/cos

MLA

“cos.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cos. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “cos,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/cos.

Source: cos on Wiktionary, CC BY-SA 4.0.