1. iron triangle - Noun
2. Iron triangle - Proper noun
(US politics, political science) The policy-making relationship among the congressional committees, the bureaucracy (executive, sometimes called “government agencies”), and interest groups or lobbyists.
(by extension) Any self-reinforcing power structure, whether intentional or accidental, formal or informal.
(historical) A key communist Chinese and North Korean concentration area and communications junction during the Korean War, located in the central sector.
(historical) A stronghold of the Viet Minh during the Vietnam War, located north of Saigon.
Iron Triangle
Alternative letter-case form of iron triangle
After the city condemned the properties in Phase 1, hordes of graffiti artists descended onto the Iron Triangle, treating its shuttered businesses like a blank canvas. Source: Internet
Most of his service in Vietnam came in the dangerous and difficult Iron Triangle near the city of Cu Chi in the Tay Ninh Province. Source: Internet