terrestrial

Terrestrial means relating to the earth or those who live there. (adjective)

An example of a terrestrial being is an animal.

A terrestrial is someone who lives on earth. (noun)

An example of a terrestrial is a person who lives on the planet.

See terrestrial in Webster's New World College Dictionary

adjective

of this world; worldly; earthly; mundane
of, constituting, or representing the earth: a terrestrial globe
consisting of land as distinguished from water
living on land rather than in water, in the air, in trees, etc.
growing on land or in the soil
of the four small, rocky inner planets of the solar system, specif. Mercury, Venus, Earth, and Mars

noun

an inhabitant of the earth

Related Forms: