/ Dictionary / Index P picture sash: Meaning and Definition of Find definitions for: pic'ture sash" Pronunciation: [key] a large window sash, as for a picture window. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. picture puzzle picture show Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language