1. Borders or boundaries that have been clearly defined, marked, or established with specific limits
The treaty established fronteiras delimitadas between the two nations.
O tratado estabeleceu fronteiras delimitadas entre os dois países.
2. Geographical or political boundaries that are precisely determined and officially recognized
The fronteiras delimitadas were marked on the map with red lines.
As fronteiras delimitadas foram marcadas no mapa com linhas vermelhas.