Definition of cuvette:
(n) :
(analytical chemistry) A small vessel with at least two flat and transparent sides, used to hold a liquid sample to be analysed in the light path of a spectrometer.
(n) :
A pot, bucket, or basin, in which molten plate glass is carried from the melting pot to the casting table.
(n) :
(military) A cunette.
(n) :
The inner lid of a timepiece.