society > leisure > sport > types of sport or game > racing or race > racing with vehicles > bicycle race > [noun] > specific part of course (2)
Chiefly Motorcycling and Cycling. A bump, ridge, or dip on a racetrack, rally course, etc., typically forming a series of such obstacles…
A bump, ridge, or dip on a racetrack, rally course, etc., typically forming a series of such obstacles. Cf. whoop-de-do, n. 2.