clownA slapstick performance artist often associated with a circus and usually characterized by bright, oversized clothing, a red nose, face paint, and a brightly colored wig.
clownfishAny of the colorful fish of genera Amphiprion and Premnas in subfamily Amphiprioninae of family Pomacentridae, native to the Pacific and Indian Oceans, notable for their mutual relationship with sea anemones.
clownhealThe herb Stachys palustris, supposedly used to heal wounds to the feet made with a scythe
clownhoodThe state, behavior, or function of being a clown.
clowninessThe quality of acting in a silly, buffoonish, or unconventional manner, characteristic of a clown.
cloxacillinA semisynthetic antibiotic C₁₉H₁₈ClN₃O₅S in the same class as penicillin, effective especially against staphylococci which secrete beta-lactamase.
cloxazolamA benzodiazepine drug with anxiolytic, anticonvulsant, hypnotic, sedative and skeletal muscle relaxant properties.
cloxestradiolA synthetic steroidal estrogen, an analogue of estradiol with a 2,2,2-trichloroethoxy substitution.
clozapineA sedative drug used to treat schizophrenia.
clozeA form of written examination in which candidates are required to provide words that have been omitted from sentences, thereby demonstrating their knowledge and comprehension of the text.
CLSCA nonprofit community center in Quebec that offers public health service; a community medical clinic.
CLTThe IATA airport code for Charlotte Douglas International Airport, serving Charlotte, North Carolina.
CLUA computer language developed between 1973–1975 that pioneered abstract data types and iterators.
CluanA locality in Meander Valley council area, northern Tasmania, Australia.
clubA heavy object, often a kind of stick, intended for use as a bludgeoning weapon or a plaything.
clubhaulTo force (a sailing vessel) to change tack by dropping the lee-anchor and hauling in the anchor cable to swing the stern to windward.
clubhaulingA risky maneuver whereby a sail-boat tacks (turns into and through the wind) by dropping one of the front anchors, the intent being to turn the boat in a tighter space than would be possible using the rudder and sails alone, especially when difficult conditions such as light winds or heavy swell make tacking more difficult than usual.
clubheadThe head of a golf club: the part of the club that strikes the ball
clubhouseAny building used by a club for meetings or social activities.
clubrootA common disease of cabbages, radishes, turnips, and other plants of the Cruciferae, caused by Plasmodiophora brassicae, in which galls form on latent roots, rendering them clublike.