fiddlehead Syllabification: (fid·dle·head)Pronunciation: /ˈfidlˌhed/Definition of fiddlehead noun 1 (also fiddlehead fern) North American the young, curled, edible frond of certain ferns. 2a scroll-like carving at a ship’s bow. Origin: late 18th century: from the resemblance to the head of a violinfiddlehead in other Oxford dictionaries Definition of fiddlehead in the British & World English dictionary