Definitions
1.NounA sticky, black, highly viscous liquid or semi-solid form of petroleum, burning with a bright flame. It occurs as an abundant natural product in many places, as on the shores of the Dead and Caspian Seas. It is used in cements, in the construction of pavements, etc.; Mineral pitch.
2.NounAny one of the natural hydrocarbons, including the hard, solid, brittle varieties called asphalt, the semisolid maltha and mineral tars, the oily petrolea, and even the light, volatile naphthas.
3.NounRoads sealed with bitumen, as opposed to dirt roads.
4.NounCanadian deposits of extremely heavy crude oil.
5.VerbTo cover or fill with bitumen."(The addition of quotations indicative of this usage is being sought:)"