The Collaborative International Dictionary of English v.0.48:

Banquette \Ban*quette"\, n.
   A bench or seat for passengers on the top of a diligence or
   other public vehicle.
   [1913 Webster]

         My brother-in-law . . . took refuge in the banquette.
                                                  --Mrs. Howe.
   [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Banquette \Ban*quette"\, n. [F. See Banquet, n.]
   1. (Fort.) A raised way or foot bank, running along the
      inside of a parapet, on which musketeers stand to fire
      upon the enemy.
      [1913 Webster]

   2. (Arch.) A narrow window seat; a raised shelf at the back
      or the top of a buffet or dresser.
      [1913 Webster] Banshee

WordNet (r) 3.0 (2006):

banquette
    n 1: an upholstered bench