Cross pollination: the pollination of a flower by pollen brought from a flower on some other plant.
Croup: the top of the hips.
Culture: the art of preparing ground for seed and raising crops by tillage.
Curb disease: a swelling on the back part of the hind leg of a horse just behind the lowest part of the hock joint. It generally causes lameness.
Curculio: a kind of beetle or weevil.
Dendrolene: a patented substance used for catching cankerworms.
Digestion: the act by which food is prepared by the juices of the body to be used by the blood.
Dormant: a word used to describe sleeping or resting bodies,—bodies not in a state of activity.
Drainage: the process by which an excess of water is removed from the land by ditches, terraces, or tiles.
Element: a substance that cannot be divided into simpler substances.