Home › Words › H › hardfernhardfernhardfern means A deer fern, any of species Struthiopteris spicant (syn. Blechnum spicant) of ferns of Europe and northwestern America.EtymologyFrom hard + fern.nounA deer fern, any of species Struthiopteris spicant (syn. Blechnum spicant) of ferns of Europe and northwestern America.Definitions & examples from Wiktionary (CC BY-SA 3.0).