Definition of terrestrial

• a. - Of or pertaining to the earth; existing on the earth; earthly; as, terrestrial animals.
• a. - Representing, or consisting of, the earth; as, a terrestrial globe.
• a. - Of or pertaining to the world, or to the present state; sublunary; mundane.
• a. - 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.
• a. - Adapted for the observation of objects on land and on the earth; as, a terrestrial telescope, in distinction from an astronomical telescope.
• n. - An inhabitant of the earth.