Etymology: (bef. 950; ME, OE eorthe; c. OS ertha, OHG erda, ON j&oogon;rth, Go airtha)
Definition of 'earth'
Princeton's WordNet
1. (noun)Earth, earth, world, globe the 3rd planet from the sun; the planet we live on "the Earth moves around the sun"; "he sailed around the world"
2. (noun)earth, ground the loose soft material that makes up a largepart of the landsurface "they dug into the earth outside the church"
3. (noun)land, dry land, earth, ground, solid ground, terra firma the solidpart of the earth's surface "the plane turned away from the sea and moved back over land"; "the earth shook for several minutes"; "he dropped the logs on the ground"
4. (noun)Earth, earth the abode of mortals (as contrasted with Heaven or Hell) "it was hell on earth"
6. (noun)worldly concern, earthly concern, world, earth the concerns of this life as distinguished from heaven and the afterlife "they consider the church to be independent of the world"
2. (noun)earth the solid materials which make up the globe, in distinction from the air or water; the dry land
3. (noun)earth the softer inorganic mattercomposingpart of the surface of the globe, in distinction from the firm rock; soil of all kinds, including gravel, clay, loam, and the like; sometimes, soil favorable to the growth of plants; the visible surface of the globe; the ground; as, loose earth; richearth
4. (noun)earth a part of this globe; a region; a country; land
5. (noun)earth worldly things, as opposed to spiritual things; the pursuits, interests, and allurements of this life
1. earth (a) The earth is arbitrarily taken as of zero electrostatic potential. Surfaces in such condition that their potential is unchanged when connected to the earth are said to be of zeropotential. All other surfaces are discharged when connected to the earth, whose potential, for the purposes of man at least, never changes.
Sense: the third planet in order of distance from the Sun; the planet on which we live Is Earth nearer the Sun than Mars is?; the geography of the earth.