- the planet third in order from the sun, having an equatorial diameter of 7,926 miles (12,755 km) and a polar diameter of 7,900 miles (12,714 km), a mean distance from the sun of 92.9 million miles (149.6 million km), and a period of revolution of 365.26 days, and having one satellite.
- the inhabitants of this planet, especially the human inhabitants: The whole earth rejoiced.
- this planet as the habitation of humans, often in contrast to heaven and hell: to create a hell on earth.
- the surface of this planet: to fall to earth.
- the solid matter of this planet; dry land; ground.
- soil and dirt, as distinguished from rock and sand; the softer part of the land.
- the hole of a burrowing animal; lair.
- any of several metallic oxides that are difficult to reduce, as alumina, zirconia, and yttria.
- any of various pigments consisting chiefly of iron oxides and tending toward brown in hue.
- a ground.
- a land or country.
- to ground.
- heaven (def. 8).
- in the world: Where on earth have you been?
- run to earth,
- to chase (an animal) into its hole or burrow: to run a fox to earth.
- to search out; track down: They ran the fugitive to earth in Algiers.
- the third planet from the sun, the only planet on which life is known to exist. It is not quite spherical, being flattened at the poles, and consists of three geological zones, the core, mantle, and thin outer crust. The surface, covered with large areas of water, is enveloped by an atmosphere principally of nitrogen (78 per cent), oxygen (21 per cent), and some water vapour. The age is estimated at over four thousand million years. Distance from sun: 149.6 million km; equatorial diameter: 12 756 km; mass: 5.976 × 10 24 kg; sidereal period of axial rotation: 23 hours 56 minutes 4 seconds; sidereal period of revolution about sun: 365.256 days
- the inhabitants of this planet
- the dry surface of this planet as distinguished from sea or sky; land; ground
- the loose soft material that makes up a large part of the surface of the ground and consists of disintegrated rock particles, mould, clay, etc; soil
- worldly or temporal matters as opposed to the concerns of the spirit
- the hole in which some species of burrowing animals, esp foxes, live
- chem See rare earth, alkaline earth
- a connection between an electrical circuit or device and the earth, which is at zero potential
- a terminal to which this connection is made
- any of various brown pigments composed chiefly of iron oxides
- of or relating to a group of three signs of the zodiac, Taurus, Virgo, and Capricorn
- to be very expensive
- to return to reality from a fantasy or daydream
- used as an intensifier in such phrases as what on earth, who on earth, etc
- run to earth
- to hunt (an animal, esp a fox) to its earth and trap it there
- to find (someone) after searching
- (of a hunted fox) to go to ground
- to connect (a circuit, device, etc) to earth
