1.Definition: affecting or involved in structure or construction
"The structural details of a house such as beams and joists and rafters; not ornamental elements", "Structural damage"
2.Definition: concerned with systematic structure in a particular field of study
3.Definition: pertaining to geological structure
"Structural effects of folding and faulting of the earth's surface"
4.Definition: relating to or caused by structure, especially political or economic structure
"Structural unemployment in a technological society"
5.Definition: relating to or concerned with the morphology of plants and animals
6.Definition: relating to or having or characterized by structure
"Structural engineer", "Structural errors", "Structural simplicity"