vehicular -
n. 1 any conveyance for transporting people, goods, etc., esp. on land.
2 a medium for thought, feeling, or action (the stage
is the
best vehicle for their talents).
3 a liquid etc. as a medium for suspending pigments, drugs, etc.
4 the literal meaning of a word or words used metaphorically (opp. TENOR
6).
vehicular adj. [F v÷hicule or L vehiculum f. vehere carry]