Pronunciation: (lim'u-zēn", lim"u-zēn'),[key] —n. 1. any large, luxurious automobile, esp. one driven by a chauffeur.
2. a large sedan or small bus, esp. one for transporting passengers to and from an airport, between train stations, etc.
3. a former type of automobile having a permanently enclosed compartment for from three to five persons, with a roof projecting forward over the driver's seat in front.