Pronunciation: (ku-lash'),[key] —n. 1. Also,calèche.a light vehicle pulled by one or two horses, seating two to four passengers, and having two or four wheels, a seat for a driver on a splashboard, and sometimes a folding top.
2. a folding top of a carriage.
3. calèche (def. 1).
4. a bonnet that folds back like the top of a calash, worn by women in the 18th century.