/ Dictionary / Index H hart's-tongue: Meaning and Definition of Find definitions for: hart's-tongue Pronunciation: (härts'tung"), [key] — n. a fern, Phyllitis scolopendrium, having long, leathery, wavy-edged leaves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hart's-tongue (Thesaurus) hartshorn harum-scarum Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language