Definition of "terrestrial" in English

noun

1. (botany) A ground-dwelling plant.

2. Alternative letter-case form of Terrestrial (“Inhabitant of Earth”).

adjective

1. Of, relating to, or inhabiting the land of the Earth or its inhabitants, earthly.

2. Of, relating to, or composed of land or earth.

   • quoted in 2022, C. F. G. Clark, The Curiosities of Dudley and the Black Country […] yet this stone [Cannock] is so Sulphurious and Terrestrial, not fit to make Iron; […]

3. Living or growing in or on land (as opposed to other habitat); not aquatic, etc.

   • a terrestrial plant

4. (astronomy) Of a planet, being composed primarily of silicate rocks or metals; see also terrestrial planet.

5. Concerned with the world or worldly matters.

6. (Mormonism) Of or pertaining to the second highest degree of glory.

7. (broadcasting) Broadcast using radio waves as opposed to satellite or cable.