leonardesque smile, n.All

The Leonardesque smile (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠the fixed, fascinating smile on long curved lips that marks his female figures and reached its height in the Mona Lisa.