/ Dictionary / Index I interpupillary: Meaning and Definition of Find definitions for: in•ter•pu•pil•lar•y Pronunciation: (in"tur-py'pu-ler"ē), [key] — adj. Anat. between the pupils of the eyes: interpupillary distance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interpretive interquartile range Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language