terrestrial
//təˈrɛstriəl//
Adjective
terrestrialCanonical form
1
Relating to or occurring on the earth or land, as opposed to water or air.
Terrestrial animals live on land rather than in water.
2
Of or relating to the planet Earth, as opposed to outer space or other celestial bodies.
Scientists study terrestrial conditions to understand how life evolved on our planet.
3
(Of a plant or animal) living on or in the ground rather than in water, trees, or the air.
Terrestrial animals such as snakes and lizards live on the ground.
Synonym
Noun
1
An inhabitant of the earth, especially as contrasted with beings from other planets.
In the science fiction novel, the aliens were curious about terrestrials and their way of life.