voussoir

2 definitions found

voussoir - Collaborative International Dictionary of English v.0.48 :

  Voussoir \Vous`soir"\, n. [F., akin to vo[^u]te an arch, a
     vault.] (Arch.)
     One of the wedgelike stones of which an arch is composed.
     [1913 Webster]
     [1913 Webster]

voussoir - WordNet (r) 2.1 (2005) :

  voussoir
      n 1: wedge-shaped stone building block used in constructing an
           arch or vault