noun (n)

• a conveyance that transports people or objects(noun.artifact)

  source: wordnet30
• a medium for the expression or achievement of something(noun.communication)

  Example:
  His editorials provided a vehicle for his political views.
  A congregation is a vehicle of group identity.
  The play was just a vehicle to display her talents.
  

  source: wordnet30
• any substance that facilitates the use of a drug or pigment or other material that is mixed with it(noun.substance)

  source: wordnet30
• any inanimate object (as a towel or money or clothing or dishes or books or toys etc.) that can transmit infectious agents from one person to another(noun.object)

  Synonym:
  fomite
  

  source: wordnet30
• That in or on which any person or thing is, or may be, carried, as a coach, carriage, wagon, cart, car, sleigh, bicycle, etc.; a means of conveyance; specifically, a means of conveyance upon land.(noun)

  source: webster1913
• A liquid used to spread sensitive salts upon glass and paper for use in photography.(noun)

  source: webster1913