The Collaborative International Dictionary of English v.0.48:

Gabionade \Ga`bi*on*ade"\, n. [F. gabionnade.]
   1. (Fort.) A traverse made with gabions between guns or on
      their flanks, protecting them from enfilading fire.
      [1913 Webster]

   2. A structure of gabions sunk in lines, as a core for a sand
      bar in harbor improvements.
      [1913 Webster]