/ Dictionary / Index E eyepiece: Meaning and Definition of Find definitions for: eye•piece Pronunciation: (ī'pēs"), [key] — n. the lens or combination of lenses in an optical instrument through which the eye views the image formed by the objective lens or lenses; ocular. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: eyepiece (Thesaurus) eye-opening eyepit 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