noun

1. any device or contrivance for carrying or conveying persons or objects, esp. over land or in space, as an automobile, bicycle, sled, or spacecraft
2. a means by which thoughts are expressed or made known music as the vehicle for one's ideas
3. in a metaphor, that word or term whose usual, literal meaning is applied in a figurative, nonliteral way to the tenor (sense ) in “all the world's a stage”, “world” is the tenor and “stage” is the vehicle
4. a play, film, etc. thought of as a means of communication or as a means of presenting a specified actor or company
5. Painting a liquid, as water or oil, with which pigments are mixed for use
6. Pharmacy a substance, as a syrup, in which medicines are given

Etymology: Fr véhicule < L vehiculum, carriage < vehere, to carry: see way