1. transearth - Adjective
2. transearth - Verb
transearth (not comparable)
(of a spaceflight or trajectory) Towards the earth from the moon or another planet.
After the Apollo 13 accident, the transearth injection burn shortened the return time by about 9 hours.
transearth (third-person singular simple present transearths, present participle transearthing, simple past and past participle transearthed)
(transitive, archaic) To transplant