/ Dictionary / Index H hyponasty: Meaning and Definition of Find definitions for: hy•po•nas•ty Pronunciation: (hī'pu-nas"tē), [key] — n. Bot. increased growth along the lower surface of a plant or plant part, causing it to bend upward. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hypomyotonia hyponitrite Related Content Daily Word Quiz: abyss Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language