Note: These insects are gathered from the plant, killed by the application of heat, and exposed to the sun to dry. When dried they resemble small, rough berries or seeds, of a brown or purple color, and form the cochineal of the shops, which is used for making carmine, and also as a red dye.

Note: Cochineal contains as its essential coloring matter carminic acid, a purple red amorphous substance which yields carmine red.

COCHINEAL FIG
Coch"i*neal fig, (Bot.)

Defn: A plant of Central and Southern Anerica, of the Cactus familly, extensively cultivated for the sake of the cochineal insect, which lives on it.

COCHIN FOWL
Co"chin fowl`, (Zoöl.)

Defn: A large variety of the domestic fowl, originally from Cochin
China (Anam).

COCHLEA
Coch"le*a, n. Etym: [L., a snail, or snail shell, Gr. (Anat.)

Defn: An appendage of the labyrinth of the internal ear, which is elongated and coiled into a spiral in mammals. See Ear.

COCHLEAR
Coch"le*ar, a. (Anat.)

Defn: Of or pertaining to the cochlea.