Caliche—A crust or succession of crusts of calcium carbonate that forms within or on top of the soil of arid or semi-arid regions.

Ceramic—Pertaining to pottery and its materials.

Chronology—The study of the method of arranging past events or the material representing them in a sequence of their happenings in relation to years or in relation to each other.

Cist—An oval or circular pit, often slab-lined, used for storage. Cists sometimes served a secondary purpose as depositories for the dead.

Clan—A social group made up of a number of households, the heads of which claim descent in either the male or female line from a common ancestor.

Cloisonne—A surface decoration produced by outlining a design with strips of flat wire and filling the interstices with enamel.

Complex—A group of related traits or characteristics which combine to form a complete activity, process, or cultural unit.

Compound—In the Orient, a wall or fenced enclosure containing a house, buildings, etc. The term is also used to describe the walled enclosures built during Classic Hohokam times.

Corrugated Pottery—Pottery in which the alternate ridges and depressions resulting from a coiling-and-pinching technique of manufacture have not been obliterated.

Coursed Masonry—Masonry constructed of stones lying on approximately level beds.