( often initial capital letter ) the planet third in order from the sun, having an equatorial diameter of 7926 mi. (12,755 km) and a polar diameter of 7900 mi. (12,714 km), a mean distance from the sun of 92.9 million mi. (149.6 million km), and a period of revolution of 365.26 days, and having one satellite.

the inhabitants of this planet, esp. 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.

Chemistry . any of several metallic oxides that are difficult to reduce, as alumina, zirconia, and yttria. Compare alkaline earth , rare earth .

Also called earth color. Fine Arts . any of various pigments consisting chiefly of iron oxides and tending toward brown in hue.

Chiefly British Electronics . a ground.

Archaic . a land or country.

Chiefly British Electronics . to ground. ?

move heaven and earth. heaven ( def. 7 ) .

on earth

in the world

Where on earth have you been?

run to earth

Hunting . 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.

noun

apple * , big blue marble , cosmos , creation , dust * , globe , macrocosm , orb , planet , sphere , star , sublunary world , terra , terra firma , terrene , terrestrial sphere , universe , vale , alluvium , clay , clod , coast , compost , deposit , dirt , dry land , dust , fill , glebe , gravel , humus , land , loam , marl , mold , muck , mud , peat moss , sand , shore , sod , subsoil , surface , terrain , terrane , topsoil , turf , world , flesh , homo sapiens , humanity , humankind , man , ground , ground. seeworld , layer , loess , soil , telluric , terrestrial