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costal of or relating to the ribs or the rib area.
costar one of two or more lead performers in the same presentation. [3 definitions]
Costa Rica a Central American country between Panama and Nicaragua.
cost-effective producing optimum results for the amount spent; efficient or economical.
costive having or causing difficult or infrequent bowel movement; constipated or constipating. [2 definitions]
costless combined form of cost.
costly of high cost, value, or expense. [2 definitions]
cost-plus the sum of the actual costs of manufacture and a previously fixed profit. [2 definitions]
cost-push of or denoting the situation in which higher costs of production cause higher retail prices. (Cf. demand-pull.)
costume the type or style of clothing, jewelry, makeup, and the like worn in a particular place or time or by members of a particular profession or group. [4 definitions]
costumer a person who makes, sells, or rents costumes, as for costume parties or theater companies.
cosy variant of cozy.
cot1 a small portable bed, esp. one that folds up. [2 definitions]
cot2 a small dwelling, such as a hut. [3 definitions]
cotangent in trigonometry, the ratio between the side adjacent to a given acute angle in a right triangle and the opposite side.
cote a small shelter, esp. one built for birds or animals.
Cote d'Ivoire a West African country on the Atlantic coast between Ghana and Liberia.
cotenant one of two or more persons who own or occupy common property.