1. [ noun ] (astronomy) the 3rd planet from the sun; the planet on which we live
Synonyms: world Earth

"the Earth moves around the sun" "he sailed around the world"

Related terms: terrestrial_planet solar_system land sky atmosphere hemisphere lithosphere hydrosphere Van_Allen_belt
2. [ noun ] any object with a spherical shape
Synonyms: ball orb

"a ball of fire"

Related terms: sphere spherule fireball mothball crystal_ball globule time-ball pellet bolus fireball conglobate
3. [ noun ] (geography) a sphere on which a map (especially of the earth) is represented
Related terms: sphere model model celestial_globe
Similar spelling:   glob