/ Dictionary / Index C curtain wall: Meaning and Definition of Find definitions for: cur'tain wall" Pronunciation: [key] (in a framed building) an exterior wall having no structural function. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. curtain time curtal Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language