limousine

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Any of various large passenger vehicles, especially a luxurious automobile usually driven by a chauffeur and sometimes having a partition separating the passenger compartment from the driver's seat.
2. n. A van or small bus used to carry passengers on a regular route, as between an airport and a downtown area.

Century Dictionary and Cyclopedia

1. n. A cloak of goats' hair or coarse wool worn by peasants and wagon-drivers.
2. n. A type of automobile body, in which the rear seats are inclosed by fixed sides, back, and top. The front scats are commonly separated from the rear part of the body by movable glass windows.

Wiktionary

1. n. An automobile body with seats and permanent top like a coupe, and with the top projecting over the driver and a projecting front
2. n. An automobile with such a body.
3. n. A luxury sedan/saloon car, especially one with a lengthened wheelbase or driven by a chauffeur.

GNU Webster's 1913

1. n. an elongated, luxurious automobile, designed to be driven by a chauffeur and often having a glass partition between the driver's seat and the passengers' compartment behind.

WordNet 3.0

1. n. large luxurious car; usually driven by a chauffeur