S-bend

S-bend (plural S-bends)

1. An S-shaped bend, usually the bend in a waste pipe, or in a road.
   • 1950 April, Timothy H. Cobb, “The Kenya-Uganda Railway”, in Railway Magazine, page 266:

     The line to Uganda goes up the side of a slope in a series of S-bends, and as the telegraph wires follow the line, from below they look like a forest as they thread backwards and forwards about six times.

• reverse curve

• “S-bend”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.

• bends