1. A region or expanse of land on Earth's surface, as opposed to aquatic or aerial environments
The terrestrial area of the nature reserve is home to diverse plant and animal species.
A área terrestre da reserva natural é o lar de espécies de plantas e animais diversos.
2. Land-based territory or geographical space characterized by solid ground
Humans have explored most of the terrestrial area of our planet.
Os humanos exploraram a maior parte da área terrestre do nosso planeta.