corridor (n.) Look up corridor at
1590s, from French corridor (16c.), from Italian corridore "a gallery," literally "a runner," from correre "to run," from Latin currere (see current (adj.)). Originally of fortifications, meaning "long hallway" is first recorded 1814.
corrigendum (n.) Look up corrigendum at
1850, from Latin corrigendum (plural corrigenda) "that which is to be corrected," neuter gerundive of corrigere "to correct" (see correct (v.)).
corrigible (adj.) Look up corrigible at
mid-15c., from Middle French corrigible, from Medieval Latin corrigibilis "that which can be corrected," from Latin corrigere "to put straight; to reform" (see correct (v.)). Related: Corrigibility.
corroborate (v.) Look up corroborate at
1530s, "to give (legal) confirmation to," from Latin corroboratus, past participle of corroborare "to strengthen, invigorate," from com- "together" or "thoroughly" (see com-) + roborare "to make strong," from robur, robus "strength," (see robust).

Meaning "to strengthen by evidence, to confirm" is from 1706. Sometimes in early use the word also has its literal Latin sense, especially of medicines. Related: Corroborated; corroborating; corroborative.
corroboration (n.) Look up corroboration at
mid-15c., "strengthening, support," from Late Latin corroborationem (nominative corroboratio), noun of action from past participle stem of Latin corroborare "to strengthen" (see corroborate). Meaning "confirmation" attested by 1768.
corrode (v.) Look up corrode at
c. 1400, from Old French corroder (14c.) or directly from Latin corrodere "to gnaw to bits, wear away," from com-, intensive prefix (see com-), + rodere "to gnaw" (see rodent). Related: Corroded; corroding.
corrosion (n.) Look up corrosion at
c. 1400, from Middle French corrosion or directly from Latin corrosionem (nominative corrosio), noun of action from past participle stem of corrodere (see corrode).
corrosive (adj.) Look up corrosive at
late 14c., from Old French corrosif (13c.), from corroder (see corrode).
corrugate (v.) Look up corrugate at
1620s; implied earlier as a past participle adjective (early 15c.), from Latin corrugatus, past participle of corrugare "to wrinkle very much," from com-, intensive prefix (see com-), + rugare "to wrinkle," which is of unknown origin.
corrugated (adj.) Look up corrugated at
1620s, "wrinkled" (of skin, etc.), past participle adjective from corrugate. Meaning "bent into curves or folds" (of iron, cardboard, etc., for elasticity and strength) is from 1853.
corrugation (n.) Look up corrugation at
1520s, from Latin *corrugationem, noun of action from past participle stem of corrugare (see corrugate).
corrupt (adj.) Look up corrupt at
mid-14c., from Old French corropt "unhealthy, corrupt; uncouth" (of language), and directly from Latin corruptus, past participle of corrumpere "to destroy; spoil," figuratively "corrupt, seduce, bribe," from com-, intensive prefix (see com-), + rup-, past participle stem of rumpere "to break" (see rupture (n.)). Related: Corruptly; corruptness.
corrupt (v.) Look up corrupt at
mid-14c., "contaminate, impair the purity of," from Latin corruptus, past participle of corrumpere (see corrupt (adj.)). Late 14c. as "pervert the meaning of," also "putrefy." Related: Corrupted; corrupting.
corruptible (adj.) Look up corruptible at
mid-14c., of material things, from Old French corroptible (14c.) or directly from Late Latin corruptibilis "liable to decay, corruptible," from past participle stem of corrumpere (see corrupt (adj.)). Of persons, from 1670s.
corruption (n.) Look up corruption at
mid-14c., of material things, especially dead bodies, also of the soul, morals, etc., from Latin corruptionem (nominative corruptio), noun of action from past participle stem of corrumpere (see corrupt). Of public offices from early 15c.; of language from late 15c.
corsage (n.) Look up corsage at
late 15c., "size of the body," from Old French cors "body" (see corpse); the meaning "body of a woman's dress, bodice" is from 1818 in fashion plates translated from French; 1843 in a clearly English context. Sense of "a bouquet worn on the bodice" is 1911, American English, apparently from French bouquet de corsage "bouquet of the bodice."
corsair (n.) Look up corsair at
1540s, from Middle French corsaire (15c.), from Provençal cursar, Italian corsaro, from Medieval Latin cursarius "pirate," from Latin cursus "course, a running," from currere "to run" (see current (adj.)). Meaning of the Medieval Latin verb evolved from "course" to "journey" to "expedition" to an expedition specifically for plunder.
corse (n.) Look up corse at
mid-13c., from Old French cors, from Latin corpus "body" (see corps for history and development). Archaic from 16c.
corset (n.) Look up corset at
c. 1300, "kind of laced bodice," from Old French corset (13c.) "bodice, tunic," diminutive of cors "body" (see corps). Meaning "stiff supporting and constricting undergarment" is from 1795.
cort (n.) Look up cort at
obsolete form of court.
cortege (n.) Look up cortege at
1640s, "train of attendants," from French cortège (16c.), from Italian corteggio "retinue," from corte "court," from Latin cohortem (see court (n.)).
cortes (n.) Look up cortes at
1660s, legislative houses of Spain or Portugal, from Spanish and Portuguese plural of corte, from Latin cortem (see court (n.)).
cortex (n.) Look up cortex at
1650s, "outer shell, husk," from Latin cortex "bark of a tree" (see corium). Specifically of the brain, first recorded 1741.
cortical (adj.) Look up cortical at
1670s, from Modern Latin corticalis, from cortex "bark of a tree" (see cortex).
corticosteroid (n.) Look up corticosteroid at
by 1945, from cortico-, word-forming element from comb. form of Latin cortex "bark of a tree" (see cortex), applied since c. 1890 to various surface structures of plants, animals, or organs + steroid. So called because they are produced in the adrenal cortex. Related: Corticosterone.
cortisol (n.) Look up cortisol at
hydrocortisone, 1953, from cortisone + -ol.
cortisone (n.) Look up cortisone at
1949, coined by its discoverer, Dr. Edward C. Kendall, shortening of chemical name, 17-hydroxy-11 dehydrocorticosterone, ultimately from Latin corticis (genitive of cortex; see cortex). So called because it was obtained from the "cortex" of adrenal glands; originally called Compound E (1936).
corundum (n.) Look up corundum at
"very hard mineral," 1728, from Anglo-Indian, from Tamil kurundam "ruby sapphire" (Sanskrit kuruvinda), which is of unknown origin.
coruscate (v.) Look up coruscate at
1705, from Latin coruscatus, past participle of coruscare "to vibrate, glitter," perhaps from PIE *(s)ker- (2) "leap, jump about" (compare scherzo). Related: Coruscated; coruscating.
coruscation (n.) Look up coruscation at
late 15c., from Latin coruscationem (nominative coruscatio), noun of action from past participle stem of coruscare "to vibrate, glitter" (see coruscate).
corvee (n.) Look up corvee at
mid-14c., "day's unpaid labor due to a lord by vassals under French feudal system" (abolished 1776), from Old French corvee (12c.), from Late Latin corrogata (opera) "requested work," from fem. past participle of Latin corrogare, from com- "with" (see com-) + rogare "to ask" (see rogation).
corvette (n.) Look up corvette at
1630s, also corvet, from French corvette "small, fast frigate" (15c.), perhaps from Middle Dutch korver "pursuit ship," or Middle Low German korf meaning both a kind of boat and a basket, or from Latin corbita (navis) "slow-sailing ship of burden, grain ship" from corbis "basket" (Gamillscheg is against this). The U.S. sports car was so named September 1952, after the warship, on a suggestion by Myron Scott, employee of Campbell-Ewald, Chevrolet's advertising agency. Italian corvetta, Spanish corbeta are French loan-words.
Corydon Look up Corydon at
traditional poetic name for a shepherd or rustic swain, from Latin Corydon, from Greek Korydon, name of a shepherd in Theocritus and Virgil.
coryza (n.) Look up coryza at
1630s, from medical Latin, from Greek koryza "running at the nose."
cosa nostra Look up cosa nostra at
1963, "the Mafia in America," from Italian, literally "this thing of ours."
cosecant (n.) Look up cosecant at
1706, from co, short for complement, + secant.
cosh (n.) Look up cosh at
"stout stick," 1869, of unknown origin.
cosher (n.) Look up cosher at
1630s, phonetic spelling of Irish coisir "feast, entertainment."
cosign (v.) Look up cosign at
also co-sign, by 1944, from co- + sign (v.). Related: Cosigned; cosigning.
cosigner (n.) Look up cosigner at
also co-signer, 1946, agent noun from cosign; earlier in this sense was cosignatory (1865).
cosine (n.) Look up cosine at
1630s, from co. sinus, abbreviation of Medieval Latin complementi sinus (see complement + sine).
cosmetic (n.) Look up cosmetic at
c. 1600, "art of beautifying," from Latinized form of Greek kosmetike (tekhne) "the art of dress and ornament," from fem. of kosmetikos (see cosmetic (adj.)). Meaning "a preparation for beautifying" attested from 1640s (now often cosmetics).
cosmetic (adj.) Look up cosmetic at
1640s, from French cosmétique (16c.), from Greek kosmetikos "skilled in adornment or arrangement," from kosmein "to arrange, adorn," from kosmos "order" (see cosmos). Figurative sense of "superficial" is from 1955. Related: Cosmetically.
cosmetologist (n.) Look up cosmetologist at
1926, American English, from cosmetology + -ist. Won out over cosmetician.
cosmetology (n.) Look up cosmetology at
1855, from French cosmétologie, from Latinized form of Greek kosmetos (see cosmetic) + -ology.
cosmic (adj.) Look up cosmic at
1640s, from cosmo- + -ic. Originally "of this world" (which was the sense of Greek kosmikos); meaning "of the universe" is from 1846. Cosmical is attested from 1580s.
cosmo- Look up cosmo- at
before a vowel cosm-, word-forming element from Latinized form of Greek kosmos (see cosmos). In older use, "the world, the universe;" since 1950s, especially of outer space.
cosmogony (n.) Look up cosmogony at
1690s as "a theory of the creation;" 1766 as "the creation of the universe," from Latinized form of Greek kosmogonia "creation of the world," from kosmos "world, universe" (see cosmos) + -gonia "a begetting," from gonos "birth" (see genus).
cosmography (n.) Look up cosmography at
"description of the universe," mid-15c., from cosmo- + -graphy. Related: Cosmographic.
cosmological (adj.) Look up cosmological at
1825, from cosmology + -ical.