1. Occurring once in five years, or at the end of every five years; also, lasting five years. A quinquennial event

Encyclopedia: Quinquennial

• cachinnate
• cachinnation
• cachou
• Cacicus
• cacique
• cack
• cack-handed
• cack-handedness
• cackel
• cackle
• cackler
• cackly
• cacodaemon
• cacodaemonic
• cacodemon
• cacodemonic
• cacodyl
• cacodyl group
• cacodyl radical
• cacodylic
• cacoethes
• cacogenesis
• cacogenic
• cacogenics
• cacography