/ Dictionary / Index E eye lens: Meaning and Definition of Find definitions for: eye' lens" Pronunciation: [key] — Optics. Optics. the lens of an eyepiece closest to the eye. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. eyelash eyeless Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language