nor: undergrunn

Information
has URI	http://lexvo.org/id/term/nor/undergrunn

Meaning
means	(noun) the layer of soil between the topsoil and bedrock undersoil, subsoil
means	(noun) an electric railway operating below the surface of the ground (usually in a city); "in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'" subway, underground, subway system, tube, metro