Meaning of cyclo-cross

cy•clo-cross

Pronunciation: (sī'klō-krôs", -kros"), [key]
— n.
  1. a bicycle race over a cross-country course, featuring steep hills, turns, and sometimes muddy terrain, that occasionally requires a rider to carry the bicycle over fences and up stairs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.