Old World vine (Citrullus colocynthis) bearing yellowish, green-mottled
fruits the size of small lemons. The pulp of the fruit is a strong
laxative.

colombo (calumba)
Root of an African plant (Jatrorrhiza palmata, family Menispermaceae)
containing columbin; it is used as a tonic called calumba root or
colombo root.

colostrum (foremilk)
Thin yellowish fluid secreted by the mammary glands at birth, rich in
antibodies and minerals. It precedes the production of true milk.

coltsfoot (galax)
Eurasian herb (Tussilago farfara), naturalized in parts of North America
with dandelion-like flower heads. Dried leaves or flower heads of this
plant have been long used in herbal medicine to treat coughs.

consomme
Clear soup or bouillion boiled down so as to be very rich.

contretemps
Unforeseen disruption of the normal course of things; inopportune
occurrence.

copaiba
Transparent, often yellowish, viscous oleoresin from South American
trees of the genus Copaifera in the pea family, used in varnishes and as
a fixative in perfume.