cos

Symbol

cos

1. (trigonometry) a symbol of the trigonometric function cosine.

Etymology 1

From the name of the island Cos, whence it was introduced.

Etymology 2

From 'cause, an aphetic form of because.

Etymology 3

Clipping of cousin

See also

• Wikipedia article on Cos
• Wikipedia article on cosine

Anagrams

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

Alternative forms

• cosu

Etymology

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

Verb

cos (third-person singular present indicative coasi/coase, past participle cusutã)

1. I sew.

Etymology

From Old Occitan cors, from Latin corpus, from Proto-Indo-European *ḱrep-. Doublet of the borrowing corpus.

Pronunciation

• (Balearic, Central, Valencian) IPA^(key): /ˈkɔs/

Noun

cos m (plural cossos)

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

   Synonym: cadàver

Etymology

From Slovene kòš, from Proto-Slavic *košь.

Noun

cos m (plural cos)

1. basket

Etymology

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

Contraction

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

1. with the

Alternative forms

• cois (Cois Fharraige)

Etymology

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

Pronunciation

• (Munster, Connacht) IPA^(key): /kɔsˠ/
• (Ulster) IPA^(key): /kʌsˠ/

Noun

cos f (genitive singular coise, nominative plural cosa)

1. foot
2. leg

Mutation

References

• “cos” in Dictionary of the Irish Language, Royal Irish Academy, 1913–76.
• “cos” in Foclóir Gaeḋilge agus Béarla, Irish Texts Society, 2nd ed., 1927, by Patrick S. Dinneen.
• "cos" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.

Etymology

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

Pronunciation

• (Classical) IPA^(key): /koːs/

Noun

cōs f (genitive cōtis); third declension

1. whetstone

References

• 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’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 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

Etymology

From Proto-Germanic *kussaz.

Pronunciation

• IPA^(key): /ˈkos/

Noun

cos m

1. Alternative form of coss

Noun

cos m

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

Etymology

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

Pronunciation

• IPA^(key): /kos/

Noun

cos f

1. foot
2. leg

Mutation

References

• “cos” in Dictionary of the Irish Language, Royal Irish Academy, 1913–76.

Pronunciation

• Rhymes: -os

Verb

cos

1. first-person singular present indicative of coase.
2. first-person singular present subjunctive of coase.
3. third-person plural present indicative of coase.