1. A line or border that marks the limit of a territory controlled by a state, region, or entity
The territorial boundary between the two countries was established by the treaty.
A fronteira territorial entre os dois países foi estabelecida pelo tratado.
2. The legal or political limit of jurisdiction of a nation or administrative division
Ships cannot enter the territorial boundary without permission.
Os navios não podem entrar na fronteira territorial sem permissão.
3. A demarcation line that defines the extent of a territory's control or sovereignty
The territorial boundary dispute lasted for decades.
A disputa de fronteira territorial durou décadas.