Laminated arch

from The Collaborative International Dictionary of English v.0.48

laminated \lam"i*na`ted\, a.
   1. Consisting of, or covered with, laminae, or thin plates,
      sheets, scales, or layers, one over another; laminate.
      [1913 Webster]

   2. Hence: Constructed of thin sheets of material, bonded
      together to form a composite structure having multiple
      layers.
      [PJC]

   {Laminated arch} (Arch.), a timber arch made of layers of
      bent planks secured by treenails.
      [1913 Webster]