/ Dictionary / Index A aphyllous: Meaning and Definition of Find definitions for: a•phyl•lous Pronunciation: (ā-fil'us), [key] — adj. Bot. naturally leafless. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aphyllous (Thesaurus) aphthous fever API Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language