7-letter words containing a, c, o
- covilhã — Pero da (ˈpeːrʊ da). ?1460–?1526, Portuguese explorer, who established relations between Portugal and Ethiopia
- cowards — Plural form of coward.
- cowardy — A cowardly person (often used as a taunt by children).
- cowbane — any of several N temperate poisonous umbelliferous marsh plants of the genus Cicuta, esp C. virosa, having clusters of small white flowers
- cowhage — a tropical, leguminous vine (Mucuna pruriens) bearing pods covered with fine barbed hairs that easily penetrate animal or human skin, causing intense itching: some strains are grown for forage
- cowhand — a hired man who herds and tends cattle, usually on horseback, esp in the western US
- cowpats — Plural form of cowpat.
- cowtail — a coarse wool of poor quality.
- cracowe — a boot with a long sharply pointed toe, fashionable in the 14th century
- craiova — a city in SW Romania, on the Jiul River. Pop: 285 000 (2005 est)
- crampon — Crampons are metal plates with spikes underneath which mountain climbers fasten to the bottom of their boots, especially when there is snow or ice, in order to make climbing easier.
- cranio- — indicating the cranium or cranial
- crannog — an ancient Celtic lake or bog dwelling dating from the late Bronze Age to the 16th century ad, often fortified and used as a refuge
- crapola — rubbish; nonsense
- cratons — Plural form of craton.
- crayola — /kray-oh'l*/ A super-minicomputer or super-microcomputer that provides some reasonable percentage of supercomputer performance for an unreasonably low price. A crayola might also be a killer micro.
- crayons — Plural form of crayon.
- creator — The creator of something is the person who made it or invented it.
- cremona — a city in N Italy, in Lombardy on the River Po: noted for the manufacture of fine violins in the 16th–18th centuries. Pop: 70 887 (2001)
- criolla — a woman or girl of Spanish descent born in Spanish America
- croaked — Simple past tense and past participle of croak.
- croaker — an animal, bird, etc, that croaks
- croatia — a republic in SE Europe: settled by Croats in the 7th century; belonged successively to Hungary, Turkey, and Austria; formed part of Yugoslavia (1918–91); became independent in 1991 but was invaded by Serbia and fighting continued until 1995; involved in the civil war in Bosnia-Herzegovina (1991–95); joined the European Union in 2013. Language: Croatian. Religion: Roman Catholic majority. Currency: kuna. Capital: Zagreb. Pop: 4 475 611 (2013 est). Area: 55 322 sq km (21 359 sq miles)
- crontab — (computing, Unix) A table of commands to be executed periodically.
- crowbar — A crowbar is a heavy iron bar which is used as a lever.
- crusado — a former gold or silver coin of Portugal bearing on its reverse the figure of a cross
- cruzado — a former standard monetary unit of Brazil, replaced by the cruzeiro
- cupolar — relating to or resembling a cupola
- cupolas — Plural form of cupola.
- curacao — orange-flavoured liqueur
- curacoa — Dated form of cura\u00e7ao.
- curator — A curator is someone who is in charge of the objects or works of art in a museum or art gallery.
- curiosa — curiosities
- cystoma — a cystic tumor.
- czardom — the domain of a czar.
- da capo — to be repeated (in whole or part) from the beginning
- dacoits — Plural form of dacoit.
- dacoity — (in India and Myanmar) a robbery by an armed gang
- dacryo- — tear or tears
- dacryon — the point of junction of the maxillary, lacrimal, and frontal bones.
- daddock — the rotten carcass of a dead tree
- daglock — a dung-caked lock of wool around the hindquarters of a sheep
- datacom — Data communications.
- dawcock — the male of the jackdaw
- dcalgol — Data Communications ALGOL. A superset of Burroughs Extended ALGOL used for writing Message Control Systems.
- deacons — Plural form of deacon.
- decagon — a polygon having ten sides
- decanol — a colorless liquid, C 10 H 22 O, insoluble in water and soluble in alcohol: used as a plasticizer, detergent, and in perfumes and flavorings.
- decapod — any crustacean of the mostly marine order Decapoda, having five pairs of walking limbs: includes the crabs, lobsters, shrimps, prawns, and crayfish
- defacto — (Australia, New Zealand) A partner in a spousal relationship not officially declared as a marriage, comparable to a common law husband or wife.