The Collaborative International Dictionary of English v.0.48:

Cunette \Cu*nette"\ (k[-u]*n[e^]t"), n. [F.] (Fort.)
   A drain trench, in a ditch or moat; -- called also cuvette.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cuvette \Cu*vette"\ (k?-w?t"), n. [F., dim. of cuve a tub.]
   [1913 Webster]
   1. A pot, bucket, or basin, in which molten plate glass is
      carried from the melting pot to the casting table.
      [1913 Webster]

   2. (Fort.) A cunette.