sinuosity

noun

1. (countable, uncountable)The property of being sinuous.

   “Meander is a Riuer in Lycia, a Prouince of Natolia, or Aſia minor famous for the ſinuoſitie and often turning thereof, […]”

   “She was like a Beardsley Salome, he had said. And indeed she had the narrow eyes and the high cheekbone of that creature, and as nearly the sinuosity as is compatible with human symmetry.”

2. (countable, uncountable)That which is sinuous.