/ Dictionary / Index P projected window: Meaning and Definition of Find definitions for: project'ed win'dow Pronunciation: [key] a casement window in which the inner end of the sash slides along a track on the sill as the sash swings outward. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. project projectile Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language