1. Territory or geographic area that has been explored, mapped, or is familiar to people; land that is not unknown or undiscovered
The explorers ventured beyond known land into uncharted territory.
Os exploradores aventuraram-se além da terra conhecida em território inexplorado.
2. In historical context, the parts of the world that were familiar to European civilization before the Age of Discovery
Medieval scholars debated the extent of known land in their time.
Os estudiosos medievais debatiam a extensão da terra conhecida em sua época.