structural-steel structural iron • structure contours · · · Info · Definitions · Characters · · structural-steel · · Text Common · · Latin · · Scripts 16 · · Length Definitions · · · (noun) a strong steel that is rolled into shapes that are used in construction. Synonyms: structural steel. · · Noun Definition 1 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075