From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): ( a.) Of or pertaining to the earth; existing on the earth; earthly; as, terrestrial animals.

(2): ( a.) Representing, or consisting of, the earth; as, a terrestrial globe.

(3): ( 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.

(4): ( a.) Adapted for the observation of objects on land and on the earth; as, a terrestrial telescope, in distinction from an astronomical telescope.

(5): ( n.) An inhabitant of the earth.

(6): ( a.) Of or pertaining to the world, or to the present state; sublunary; mundane.

Vine's Expository Dictionary of NT Words [2]

1: Ἐπίγειος (Strong'S #1919 — Adjective — epigeios — ep-ig'-i-os )

"on earth, earthly" (epi, "on," ge, "the earth"), is rendered "terrestrial" in  1—Corinthians 15:40 (twice), in contrast to epouranios, "heavenly." See Earthly , No. 2.

King James Dictionary [3]

TERRES'TRIAL, a. L. terrestris, from terra, the earth.

1. Pertaining to the earth existing on the earth as terrestrial animals bodies terrestrial.  1 Corinthians 15 2. Consisting of earth as the terrestrial globe. 3. Pertaining to the world, or to the present state sublunary. Death puts and end to all terrestrial scenes.