/ Dictionary / Index D discission: Meaning and Definition of Find definitions for: dis•cis•sion Pronunciation: (di-sish'un), [key] — n. Ophthalm. an incision of the lens of the eye, as for removal of cataract. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. disciplined disc jockey Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language