From Longman Dictionary of Contemporary EnglishJeepJeep /dʒiːp/ noun [countable] trademark 
TTCa type of car made for travelling over rough ground
TTCa type of car made for travelling over rough groundExamples from the Corpus
Jeep• Mike spends about £400 a month on running his car, a Jeep Cherokee, and another £100 a month insuring it.• Minutes later, I could see the tent shadows cast by Jeep headlights dancing across the side of the Huey.• Grunt Six sped away in his Jeep among the thousand tents that crowded the field.• The pilot, realizing that the Jeep was going to ram him, applied the cyclic and tried to lift clear.• The Jeep stopped fifty feet away.• The Jeep was carrying six men from the artillery brigade. 