Pronunciation: (toor"du frans', -fräns'; Fr. tOOr-du fräns'), [key]
a bicycle touring race, held over a period of 21 days: it covers about 2500 mi. (4000 km) in France, Belgium, Italy, Germany, Spain, and Switzerland.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.