and since your so much into definitions here are 2 more for you:

Main Entry: 1jeep
Pronunciation: 'jEp
Function: noun
Etymology: probably from g. p. (abbreviation of general purpose)
: a small general-purpose motor vehicle with 80-inch wheelbase, 1/4-ton capacity, and four-wheel drive used by the U.S. army in World War II; also : a similar but larger and more powerful U.S. army vehicle.

Main Entry: sport-util·i·ty vehicle
Pronunciation: 'spOrt-yü-'ti-l&-tE-, 'sport-
Function: noun
: a rugged automotive vehicle similar to a station wagon but built on a light-truck chassis.