/ Dictionary / Index Q quillwort: Meaning and Definition of Find definitions for: quill•wort Pronunciation: (kwil'wûrt", -wôrt"), [key] — n. any fernlike, aquatic marsh plant of the genus Isoëtes, characterized by clustered, quill-like leaves bearing sporangia in their bases. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quillwort (Thesaurus) quilling Quilmes Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language