The lower of inferior world; the world which is under the heavens; the earth.
- The part of society that is engaged in and organized for the purpose of crime and vice.
- A region, realm, or dwelling place conceived to be below the surface of the earth.
- The opposite side of the earth; the antipodes.
- Greek & Roman Mythology The world of the dead, located below the world of the living; Hades.
- Archaic The world beneath the heavens; the earth.