(n): something that serves as a means of transportation
(n): a medium for the expression or achievement of something
(n): a means or instrumentality for storing or communicating information
(n): any substance that facilitates the use of a drug or pigment or other material that is mixed with it
(n): a particular kind or species of matter with uniform properties
(n): 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
(n): a tangible and visible entity; an entity that can cast a shadow
