of or relating to or characteristic of the planet Earth or its inhabitants; "planetary rumblings and eructations"- L C Eiseley ; "the planetary tilt"; "this terrestrial ball"
Consisting of land, in distinction from water; belonging to, or inhabiting, the land or ground, in distinction from trees, water, or the like; as, terrestrial serpents
{s} of or relating to land (as opposed to water), earthly; of or pertaining or relating to the earth or its occupants; of this world, temporal, mundane
of this earth; "transcendental motives for sublunary actions"; "fleeting sublunary pleasures"; "the nearest to an angelic being that treads this terrestrial ball"
means pertaining to the Earth, as distinct from other planets (as in extraterrestrial life) It also means pertaining to the land, as distinct from the water or air (as in a terrestrial, as opposed to aquatic, ecosystem)
The inner solar system planets: Mercury, Venus, Earth, Mars, composed of rocky materials and iron, with a density between 4 0 and 5 5 grams per cubic centimeter