"earths" in the noun sense
1. 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. earth, ground
the loose soft material that makes up a large part of the land surface
"they dug into the earth outside the church"
3. land, dry land, earth, ground, solid ground, terra firma
the solid part 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. Earth, earth
the abode of mortals (as contrasted with Heaven or Hell
"it was hell on earth"
once thought to be one of four elements composing the universe (Empedocles)
6. 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"
7. ground, earth
a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
"earths" in the verb sense
hide in the earth like a hunted animal
connect to the earth
"earth the circuit"
Source: WordNet® (An amazing lexical database of English)
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