the loose soft material that makes up a large part of the land surface

the solid part of the earth's surface

the abode of mortals (as contrasted with Heaven or Hell)

once thought to be one of four elements composing the universe (Empedocles), associated with the humour black bile

the concerns of this life as distinguished from heaven and the afterlife

a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)