also cinque-cento, "the sixteenth century" (in reference to Italian art and literature), 1760, from Italian cinquecento, literally "500," short for mil cinquecento "1500." See cinque + hundred, and compare quattrocento. Also as an adjective.
cineration
cinnabar
cinnamon
cinquain
cinque
cinquecento
cinquefoil
cipher
ciphering
circa
circadian