Douglas Harper's Etymology Dictionary
Wiktionary
a. (alternative spelling of earthbound English)
Usage examples of "earth-bound".
Like its namesake in seagoing amphibious landing ships of ancient Earth-bound navies, the well deck was located in the lower, forward part of the ship's hull—.
Like its namesake in seagoing amphibious landing ships of ancient Earth-bound navies, the well deck was located in the lower, forward part of the ship'.
And the prejudices and constraints of Earth-bound thinking - genophobia, for instance - would work to block any researcher, or any corporation, from developments or discoveries large enough to outsize Earth's hungers.
Astronomers in Earth-bound observatories have also found unmistakable evidence of hydrochloric acid and hydrofluoric acid as gases in the upper atmosphere of Venus.
From the scroll, I could not tell if they were worried for her well-being, or frantic at having become the sole providers for several earth-bound dragons.