/ Dictionary / Index U understrapper: Meaning and Definition of Find definitions for: un•der•strap•per Pronunciation: (un'dur-strap"ur), [key] — n. an underling. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. understory understratum 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