S: (n) curvature, curve (the property possessed by the curving of a line or surface)
S: (n) bend, curve (curved segment (of a road or river or railroad track etc.))
Verb
S: (v) swerve, sheer, curve, trend, veer, slue, slew, cut (turn sharply; change direction abruptly) "The car cut to the left at the intersection"; "The motorbike veered to the right"
S: (v) wind, twist, curve (extend in curves and turns) "The road winds around the lake"; "the path twisted through the forest"