Minibus \Min"i*bus\, n. [L. minor less + -bus, as in omnibus.]
1. A kind of light passenger vehicle, carrying four persons.
[archaic]
[1913 Webster]
2. A type of bus (omnibus) similar in general appearnace to a
standard-sized bus, but smaller and having a smaller
passenger capacity, typically about 15 persons. It is
usually used for transportation over relatively short
distances.
[PJC]