Merckx, Eddy Syllabification: (Merckx, Eddy)Pronunciation: /mərks/Definition of Merckx, Eddy (1945-), Belgian cyclist; full name Edouard Louis Joseph Merckx, Baron Merckx. During his professional career he won the Tour de France five times (1969–72 and 1974). Merckx, Eddy in other Oxford dictionaries Definition of Merckx, Eddy in the British & World English dictionary