cos

Clipping of English cosine.

cos

1. (trigonometry) cosine

Abbreviation of English Corsican, from Latin Corsica.

cos

1. (international standards) ISO 639-2 & ISO 639-3 language code for Corsican.

• Wiktionary’s coverage of Corsican terms

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

• (General American) IPA^(key): /kɑs/
• (Received Pronunciation) IPA^(key): /kɒs/

• Audio (US):

  (file)

• Rhymes: -ɒs

cos (plural coses)

1. (chiefly UK) Synonym of romaine lettuce, a long-leaved variety of lettuce.

• (Received Pronunciation) IPA^(key): /kɒz/; (unstressed) IPA^(key): /kəz/
• (General American) IPA^(key): /kʌz/; (unstressed) IPA^(key): /kəz/

cos

1. (UK, Ireland, South Africa, African-American Vernacular) Informal spelling of 'cause (“because”).
   • 2021, Isabel Waidner, Sterling Karat Gold, Peninsula Press, page 161:

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

Clipping of cousin.

• IPA^(key): /kʌz/

cos (plural cosses)

1. (informal, African-American Vernacular) Alternative form of coz, cousin.

From co + -s.

cos

1. plural of co

cos

1. (nonstandard) Belonging to co. Gender-neutral possessive determiner, grammatically equivalent to the gendered his and her and the singular their.
   • 1973, Michael Glenn, Richard Kunnes, Repression or Revolution?: Therapy in the United States Today, Harper Colophon Books, →ISBN, page 53:

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

   • 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:

     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 […]

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

     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.

• co's

cos (plural coses or cos)

1. Alternative form of coss, a traditional Nepali unit of distance.
   • 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:

     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.

• cosmid

• CSO, OCS, OCs, OSC, SCO, SOC, SoC, Soc, Soc., soc, soc.

• cosu

From Vulgar Latin *cōsō, from Latin consuō. Compare Romanian coase, cos.

cos (third-person singular coasi or coase, participle cusutã)

1. to sew

• coasiri/coasire
• cusut

Inherited from Old Catalan cors, from Latin corpus. Doublet of the borrowing corpus.

• IPA^(key): (Central, Balearic, Valencia) [ˈkɔs]

• Audio (Catalonia):

  (file)

cos m (plural cossos)

1. body (physical structure of a human or animal)
2. body, corpse

   Synonym: cadàver

• Alcover, Antoni Maria; Moll, Francesc de Borja (1963), “cos”, in Diccionari català-valencià-balear (in Catalan)

• “cos”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007
• “cos”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026
• “cos” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.

Audio:

(file)

cos

1. (ACG, informal) cosplay

   玩cos的人  ―  wán cos de rén  ―  someone who cosplays; cosplayer

2. (ACG, informal) cosplay costume

cos

1. (ACG, informal) to cosplay
2. (slang, by extension) LARP; To pretend to be something, or act as something

   cos共產主義／cos共产主义  ―  cos gòngchǎnzhǔyì  ―  LARP as a communist

• IPA^(key): [ˈt͡sos]

cos

1. alternative form of cosi

• “cos”, in Příruční slovník jazyka českého (in Czech), 1935–1957
• “cos”, in Slovník spisovného jazyka českého (in Czech), 1960–1971, 1989
• “cos”, in Internetová jazyková příručka (in Czech), 2008–2026

From Slovene kòš, from Proto-Slavic *košь.

cos m (plural cos)

1. basket

   Synonyms: gei, geùt, ceste

From contraction of preposition con (“with”) + masculine plural definite article os (“the”).

• IPA^(key): /ˈkoːs̺/
• Rhymes: -ʊs, -os
• Hyphenation: cos

cos m pl (masculine co, feminine coa, feminine plural coas)

1. with the

• “con”, in Dicionario da Real Academia Galega (in Galician), A Coruña: Royal Galician Academy, 2012–2026

• cois (Galway)

From Old Irish cos,^[1] from Proto-Celtic *koxsā (cf. Welsh coes), ultimately from Proto-Indo-European *koḱs-, whence also Latin coxa (“hip”).

• IPA^(key): /kosˠ/^[2], /kɔsˠ/^[3], /kɞsˠ/^[4]

cos f (genitive singular coise, nominative plural cosa)

1. foot
2. leg

• Dual: dhá chois

• Dinneen, Patrick S. (1904), “cos”, in Foclóir Gaeḋilge agus Béarla [Irish and English Dictionary], 1st edition, Dublin: Irish Texts Society, page 185
• Ó Dónaill, Niall (1977), “cos”, in Foclóir Gaeilge–Béarla [Irish–English Dictionary], Dublin: An Gúm, →ISBN

• cosz (regional)

From co + -s. Compare Polish coś and Slovincian cesz.

• IPA^(key): /ˈt͡sɔs/
• Rhymes: -ɔs
• Syllabification: cos

cos

1. indeterminate pronoun; something

• Stefan Ramułt (1893), “cos”, in Słownik języka pomorskiego czyli kaszubskiego (in Kashubian), page 18
• Eùgeniusz Gòłąbk (2011), “coś”, in Słownik Polsko-Kaszubski / Słowôrz Pòlskò-Kaszëbsczi‎^[1]
• “cos/cosz”, in Internetowi Słowôrz Kaszëbsczégò Jãzëka [Internet Dictionary of the Kashubian Language], Fundacja Kaszuby, 2022

From Proto-Italic *kōtis, from Proto-Indo-European *ḱeh₃- (“to sharpen”). Cognate with Latin catus (“clever, cunning”), cautēs (“pointed rock”), cuneus (“wedge”) and Ancient Greek κῶνος (kônos, “cone”).

• (Classical Latin) IPA^(key): [ˈkoːs]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈkɔs]

cōs f (genitive cōtis); third declension

1. whetstone

Third-declension noun.

• cōtōria

• COS

cos

1. abbreviation of consul

• “cos”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “cos”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "cos", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “cos”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers
• “cos”, in William Smith, editor (1854, 1857), A Dictionary of Greek and Roman Geography, volume 1 & 2, London: Walton and Maberly
• De Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 139

• cus, kis, kys, kysse, kesse

From Old English coss, from Proto-West Germanic *koss, from Proto-Germanic *kussaz. Forms with /i/, /u/ and /ɛ/ are influenced by Old English cyssan.

• IPA^(key): /kɔs/, /kus/, /kis/, /kɛs/

cos (plural cosses or cossen)

1. a kiss (action of kissing)

   Synonym: kissynge

• English: kiss
• Scots: kis
• Yola: kesse

• “cos, n.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.

Proto-Brythonic *kọs, from Latin cāseus.

cos

1. cheese
   • c. 1200, Latin-Old Cornish Glossary in British Library MS Cotton Vespasian A XIV, folio 10 recto:

     Caseus⹎ cos vel caus.

     Cheese. — cheese or cheese.

• Middle Cornish: kez, keas
  • Cornish: keus

• IPA^(key): /kos/
• Rhymes: -os

cos m

1. alternative form of coss

cos m

1. inflection of cop:
   1. oblique plural
   2. nominative singular

From Proto-Celtic *koxsā (cf. Welsh coes), ultimately from Proto-Indo-European *koḱs-. Cognate with Latin coxa (“hip”).

• IPA^(key): /ˈkos/

cos f (genitive coise, nominative plural cossa)

1. foot
2. leg

• Irish: cos
• Manx: cass
• Scottish Gaelic: cas

• Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “cos”, in eDIL: Electronic Dictionary of the Irish Language

• (Lesser Poland):
  • (Goral):
    • (Żywiec) IPA^(key): [ˈt͡sɔs]

cos

1. (Żywiec) alternative form of cóż

• Jan Karłowicz (1900), “cóż”, in Słownik gwar polskich [Dictionary of Polish dialects] (in Polish), volume 1: A do E, Kraków: Akademia Umiejętności, page 258

• c'os, co'os (pre-standardization spelling, now proscribed)

• Hyphenation: cos

cos m pl

1. (colloquial or poetic) contraction of com +‎ os, literally “with the (masculine plural)”: plural of co

Although superseded in the first spelling reforms of Portuguese, the spellings c'o, c'os, co'a, co'as are often still used in poetic works in order to make the contraction transparent.

• Rhymes: -os

cos

1. inflection of coase:
   1. first-person singular present indicative/subjunctive
   2. third-person plural present indicative

cos m pl

1. plural of co

Onomatopoeic.

• IPA^(key): /ˈd͡ʒos/

cos (definite accusative cosu, plural coslar)

1. (onomatopoeia) sizzle (the sound of water hitting a hot surface)

Clipping of cosplay, from English cosplay.

• IPA^(key): /ˈkos/

cos (definite accusative cosu, plural coslar)

1. abbreviation of cosplay

   O kadar Kalista cos yapmışsındır ama gelen soru "mavi mi"dir.

   When you went through the effort of doing a Kalista cosplay but all they do is ask "is it blue?".