/ Dictionary / Index P parfocal: Meaning and Definition of Find definitions for: par•fo•cal Pronunciation: (pär-fō'kul), [key] — adj. Optics. of or pertaining to different eyepieces (of telescopes or microscopes) that all focus their images in the same plane, so that they can be interchanged without readjusting the instrument. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. parfleche parfum* Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language