Cæsium, sēz′i-um, n. a silver-white, soft, and extensile alkaline metal, almost always found along with rubidium, discovered by Bunsen and Kirchhoff in 1860 by spectrum analysis.—adj. Cæs′ious, bluish green. [L. cæsius, bluish gray.]

Cæsura, Cesura, sē-zū′ra, n. a syllable cut off at the end of a word after the completion of a foot: a pause in a verse.—adj. Cæsū′ral. [L.—cædĕre, cæsum, to cut off.]

Café, käf′ā, n. a coffee-house, a restaurant.—Café chantant, a public place of entertainment where the guests hear music while sipping their liquor. [Fr.]

Caffeine, kaf′e-in, or kaf-ē′in, n. the alkaloid or active principle of coffee and tea. [Fr. caféine. See Coffee.]

Caffre, kaf′fėr, n. more correctly Kafir (q.v.).

Caftan, kaf′tan, n. a Persian or Turkish vest. [Turk. qaftán.]

Cage, kāj, n. a place of confinement: a box made of wire and wood for holding birds or small animals: (mining) a frame with one or more platforms for cars, used in hoisting in a vertical shaft: the framework supporting a peal of bells.—v.t. to imprison in a cage—p.adj. Caged, confined.—ns. Cage′ling, a bird kept in a cage; Cage′-work, open work like the bars of a cage. [Fr.—L. cavea, a hollow place.]

Cagot, kag′ō, n. one of an outcast race found scattered in the district of the western Pyrenees, most likely the descendants of lepers. [Fr.; origin unknown.]

Cahier, ka-yā′, n. a writing-book, memorandum or report: a memorial. [Fr.]

Cahoot, ka-hōōt′, n. (U.S.) company or partnership.