noun

1. the planet that we live on; terrestrial globe: it is the fifth largest planet of the solar system and the third in distance from the sun: diameter, c. 12,760 km (c. 7,930 mi); period of revolution, one earth year; period of rotation, 24 hours; one satellite; symbol, ♁: often with the
2. this world, as distinguished from heaven and hell
3. all the people on the earth
4. land, as distinguished from sea or sky; the ground
5. the soft, granular or crumbly part of land; soil; ground
6. Old Poet.
   1. the substance of the human body
   2. the human body
   3. the concerns, interests, etc. of human life; worldly matters
7. the hole of a burrowing animal; lair
8. Obsolete a land or country
9. Chem. any of the metallic oxides, formerly classed as elements, which are reduced with difficulty to an alkaline-earth metal, rare-earth element, or certain other metals
10. Elec., Brit. ground

Etymology: ME erthe < OE eorthe, akin to Ger erde < IE base *er- > Gr era, earth, Welsh erw, field

transitive verb

1. to cover (up) with soil for protection, as seeds or plants
2. to chase (an animal) into a hole or burrow

intransitive verb