/ Dictionary / Index S scissure: Meaning and Definition of Find definitions for: scis•sure Pronunciation: (sizh'ur, sish'-), [key] — n. Archaic. a longitudinal cleft or opening. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: scissure (Thesaurus) scissortail sci-tech Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language