/ Dictionary / Index S subpleural: Meaning and Definition of Find definitions for: sub•pleu•ral Pronunciation: (sub-ploor'ul), [key] — adj. situated under the pleura. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subphylum subplot Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language