/ Dictionary / Index U understory: Meaning and Definition of Find definitions for: un•der•sto•ry Pronunciation: (un'dur-stôr"ē, -stōr"ē), [key] — n. the shrubs and plants growing beneath the main canopy of a forest. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. understood understrapper Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language