/ Dictionary / Index H hypophyllous: Meaning and Definition of Find definitions for: hy•po•phyl•lous Pronunciation: (hī"pu-fil'us, hip"u-), [key] — adj. growing on the undersurface of leaves, as a fungus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hypophyge hypophysectomy Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language