Source : Webster's Revised Unabridged Dictionary (1913)

Cabriolet \Cab`ri*o*let"\, n.[F., dim. of cabriole a leap,
   caper, from It. capriola, fr. dim. of L. caper he-goat, capra
   she-goat. This carriage is so called from its skipping
   lightness. Cf. {Cab}, {Caper} a leap.]
   A one-horse carriage with two seats and a calash top.

Source : WordNet®

cabriolet
     n : small two-wheeled horse-drawn carriage; with two seats and a
         folding hood [syn: {cab}]