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

• at length
• at liberty
• at livery
• at loggerheads
• at long last
• at long stay
• at loose ends
• atm.
• ATM
• atman
• atmans
• atmologies
• atmologist
• atmologists
• atmology
• atmolyse
• atmolysed
• atmolyses
• atmolysing
• atmolysis
• atmolyze
• atmolyzed
• atmolyzes
• atmolyzing
• atmometer