The Collaborative International Dictionary of English v.0.48:
Caroche \Ca*roche"\, n. [OF. carrache, F. carrose from It. carrocio, carrozza, fr. carro, L. carus. See Car.] A kind of pleasure carriage; a coach. [Obs.] [1913 Webster] To mount two-wheeled caroches. --Butler. [1913 Webster]WordNet (r) 3.0 (2006):
caroche n 1: a luxurious carriage suitable for nobility in the 16th and 17th century