The American Heritage® Dictionary of the English Language, 4th Edition
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.
n. A van or small bus used to carry passengers on a regular route, as between an airport and a downtown area.
n. An automobile body with seats and permanent top like a coupe, and with the top projecting over the driver and a projecting front
n. An automobile with such a body.
n. A luxury sedan/saloon car, especially one with a lengthened wheelbase or driven by a chauffeur.
the GNU version of the Collaborative International Dictionary of English
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.
The Century Dictionary and Cyclopedia
n. A cloak of goats' hair or coarse wool worn by peasants and wagon-drivers.
n. A type of automobile body, in which the rear seats are inclosed by fixed sides, back, and top.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. large luxurious car; usually driven by a chauffeur
Word Usage
"In a statement, GSA spokeswoman Sara Merriam said, "The categories in the Fleet Report are overly broad, and the term 'limousine' is not defined," adding that "vehicles represented as limousines can range from protective duty vehicles to sedans.""