Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun triple_frontier

1 sense of triple frontier

Sense 1
Triple Frontier -- (the border area where Argentina and Brazil and Paraguay meet; an active South American center for contraband and drug trafficking and money laundering; a suspected locale for Islamic extremist groups)
       INSTANCE OF=> frontier -- (an international boundary or the area (often fortified) immediately inside the boundary)