The Collaborative International Dictionary of English v.0.48:
Vehicular \Ve*hic"u*lar\, a. [L. vehicularis: cf. F. v['e]hiculaire.] Of or pertaining to a vehicle; serving as a vehicle; as, a vehicular contrivance. [1913 Webster]WordNet (r) 3.0 (2006):
vehicular adj 1: of or relating to or intended for (motor) vehicles; "vehicular traffic"