Earth in WordNet English dictionary

1. the abode of mortals (as contrasted with Heaven or Hell)
   "it was hell on earth"
   Earth  earth 
   
2. the 3rd planet from the sun; the planet we live on
   "the Earth moves around the sun"; "he sailed around the world"
   Earth  earth  world  globe 
   
3. the abode of mortals (as contrasted with Heaven or Hell)
   "it was hell on earth"
   Earth  earth 
   
4. the 3rd planet from the sun; the planet we live on
   "the Earth moves around the sun"; "he sailed around the world"
   Earth  earth  world  globe