cicisbeo /chē-chēz-bāˈō or chi-chiz-/

1. Esp formerly, a married woman's gallant or cavaliere servente in Italy
2. The acknowledged lover of a married woman

cicisbēˈism noun

• sinuousnesses
• sinupallial
• sinupalliate
• sinus
• sinuses
• sinusitis
• sinusitises
• sinusoid
• sinusoidal
• sinusoidally
• sinusoids
• Siouan
• Sioux
• sip
• sipe
• siped
• sipes
• siphon
• siphonage
• siphonages
• siphonal
• Siphonaptera
• siphonapteran
• siphonate
• siphoned