vehicleve·hi·cle /ˈviːɪkəl/ noun [countableC]1formal a vehicle for (doing) something something used as a way of achieving a particular resultThe subsidiary is expected to become the primarygrowth vehicle for the company.
Corporations are more efficient vehicles for reinvestment than partnerships.
2a particular type of investmentMutual funds are an appropriate vehicle for investors who don’t want to lock their money up.
Analysts see the stock market as the investment vehicle of choice this year.
3a car, bus etc
→ commercial vehicle → goods vehicle → heavy goods vehicle → large goods vehicle → public service vehicle