/ Dictionary / Index N nullah: Meaning and Definition of Find definitions for: nul•lah Pronunciation: (nul'u), [key] — n. an intermittent watercourse. a gully or ravine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nullah (Thesaurus) null nulla-nulla 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