adjective
or cur·vi·lineal |kərvə+
Etymology: curvi- + linear or lineal
1. : consisting of or bounded by curved lines
a curvilinear angle
: following a curve
curvilinear motion
: represented by a curved line
2. : marked by flowing tracery and showing relationships to French flamboyant styles
curvilinear Gothic
3. : curvaceous
• curvilinearity “+ noun -es
• curvilinearly “+ adverb