/ Dictionary / Index S structural steel: Meaning and Definition of Find definitions for: struc'tural steel' Pronunciation: [key] the variety of steel shapes rolled for use in construction. a steel having a composition suitable for such shapes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. structural shop structural unemployment Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language