D defs.my
Entry 2 senses Webster, 1913

Structural

/strŭk'-chẽr-əl/ · Struc·tur·al · IPA /ˈstɹʌk(t͡)ʃəɹəl/
01 a. Of or pertaining to structure; affecting structure; as, a structural error.
  1. 1.
    Of or pertaining to structure; affecting structure; as, a structural error.
  2. 2.
    Of or pertaining to organit structure; as, a structural element or cell; the structural peculiarities of an animal or a plant.(Biol.)