| crapulous | adj. | given to intemperate eating or drinking | ||
| crassities | n. | materiality, density | obsolete | |
| craton | n. | area of the earth’s crust and mantle which has remained unchanged by tectonic activity | ||
| crawfish | v. | to back out from a commitment or position | idiom | |
| credenza | n. | dining room sideboard or table, used for buffets or for setting dishes to be served (also credence) | ||
| crenellate | v. | to furnish with battlements, embrasures, or loopholes | ||
| crenulate | adj. | minutely notched or scalloped | biology | |
| crepitus | n. | grating noise produced by friction between bone and cartilage or pieces of broken bone; rale | ||
| crepuscular | adj. | like twilight; dim | ||
| cresset | n. | metal vessel containing oil, grease, rope in pitch, or other flammable material, used for lighting and usually mounted upon a pole | ||
| cretonne | n. | heavy printed cloth often used in upholstery | ||
| criminator | n. | accuser, calumniator | archaic | |
| criminogenic | adj. | causing crime, of the bases of criminal behavior | ||
| crise de foi | n. | internal religious tumult, “crisis of faith” | ||
| crise de foie | n. | indigestion, “upset liver” | ||
| criterion | n. | standard of judgment | ||
| crocket | n. | hook-shaped medieval ornament suggesting a leaf | ||
| crocodile | n. | line of walking persons, esp. when composed of children | ||
| cromlech | n. | dolmen, megalithic tomb | ||
| croodle | v. | to crouch down; to draw oneself together, as for warmth; to cling closely to a person | ||
| crore | n. | ten million (esp. of rupees), one hundred lakh | ||
| crossruff | v. | to take tricks alternately in bridge, each winning partner leading a suit which the other trumps and so forth | ||
| crowbar | v. | to prevent overvoltage by creating a short circuit away from electrical components which might otherwise be damaged | ||
| cruentate | adj. | blood-smeared | obsolete | |
| cruet | n. | small container of condiment or seasoning for use at table; small container for Eucharistic wine | ||
| cruive | n. | weir for catching salmon | Scots | |
| cruor | n. | clotted blood; red colored matter within blood | ||
| crupper | n. | strap looped around horse’s tail attached to saddle to prevent the saddle or harness from moving forward | ||
| cruse | n. | pot or jar of earthenware | ||
| crwth | n. | bowed instrument on rectangular frame employed by ancient Celts | ||
| crypt | n. | depression or sinkage surrounding a villus in the intestinal epithelium | ||
| cryptesthesia | n. | perception by hidden or paranormal means, such as clairaudience or clairvoyance | ||
| cubitus | n. | one of (usu. three) major veins in insect wing; elbow; forearm | biology | |
| cuckooing | n. | exploitation of vulnerable people’s homes for criminal activity, esp. that related to the distribution of drugs | British | |
| culm | n. | 1 | plant stem, esp. of grass or sedge | botany |
| culm | n. | 2 | waste coal or coal dust; inferior anthracite | |
| cultivar | n. | plant variety created by selective breeding | ||
| cumber | v. | to hinder or hamper, to burden | ||
| cumbrous | adj. | unwieldy, cumbersome | ||
| cumshaw | n. | gratuity, present, tip | ||
| cumulet | n. | white domesticated pigeon | ||
| curate | n. | assistant to rector or vicar | ||
| curate’s egg | n. | something asserted to be both bad and good, but which is entirely awful | idiom | |
| curiologic | adj. | of hieroglyphic writing in which pictures directly represent objects; of pictorial representation as in a rebus | ||
| currawong | n. | medium-sized crowlike songbird of Australia | ||
| curricle | n. | two-wheeled light carriage drawn by two horses abreast | ||
| curtilage | n. | ground surrounding a dwelling, sometimes including outbuildings, considered the same as the residence itself | ||
| curule chair | n. | seat modeled after ancient camp chair with open back and curved legs and often decorated with ivory in which only the highest magistrates of ancient Rome were privileged to sit | ||
| curvet | n. | leap of rearing horse in dressage in which the hind legs are kicked out as the front legs descend; to leap in this manner | ||
| customary | n. | consuetudinary, customal, custumal, written account of local customs or usages of a manor or region |