/ Dictionary / Index L lancet window: Meaning and Definition of Find definitions for: lan'cet win'dow Pronunciation: [key] — Archit. Archit. a high, narrow window terminating in a lancet arch. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lancetfish lancewood Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language